2025年中考英语复合句核心句型之状语从句练习
一、时间状语从句（15 题）
（一）基础题（5 题）
I will call you ______ I arrive in Beijing.
A. as soon as B. while C. since D. until
He was reading a book ______ his mother came back.
A. when B. as C. while D. since
We ______ TV for two hours by the time my father gets home.
A. will watch B. will be watching C. will have watched D. watched
______ she grew older, she became more independent.
A. As B. With C. Because D. Since
Don’t leave ______ I tell you to do so.
A. until B. since C. while D. as
（二）进阶题（5 题）
I had hardly finished my homework ______ the lights went out.
A. when B. than C. as D. while
______ you are in trouble, you can always turn to me for help.
A. Whenever B. Whatever C. However D. Wherever
By the time we ______ to the cinema, the film ______ for ten minutes.
got; had been on B. got; had started
C. get; has been on D. get; has started
She was talking on the phone ______ walking in the park.
A. while B. when C. as D. since
He ______ here for five years before he moved to Shanghai last year.
A. has lived B. had lived C. lived D. was living
（三）拓展题（5 题）
______ the day went on, the weather got worse and worse.
A. As B. With C. When D. While
I will be working in the office ______ you come to pick me up tomorrow.
A. when B. while C. as D. since
Hardly ______ the station ______ the train left.
had I reached; when B. I had reached; than
C. did I reach; when D. I reached; than
They had been waiting for the bus for half an hour ______ it finally arrived.
A. before B. when C. while D. as
______ I was young, I often played football with my friends in the park.
A. When B. As C. While D. Since
二、地点状语从句（15 题）
（一）基础题（5 题）
You can put the book ______ you like.
A. where B. when C. why D. how
______ there is water, there is life.
A. Where B. When C. Because D. Though
She found her lost key ______ she had left it.
A. where B. when C. how D. what
We will build a new school ______ the population is growing fast.
A. where B. when C. why D. which
______ he goes, he always takes a book with him.
A. Wherever B. Whenever C. Whatever D. However
（二）进阶题（5 题）
The little girl likes to sit ______ her mother can see her.
A. where B. when C. because D. though
______ you work, you should try your best to do it well.
A. Wherever B. Whenever C. Whatever D. However
They decided to camp ______ the river flows slowly.
A. where B. when C. how D. why
The shop is located ______ the two streets cross.
A. where B. when C. which D. what
______ there is a will, there is a way.
A. Where B. When C. Because D. Though
（三）拓展题（5 题）
She planted flowers ______ the sun shines most of the day.
A. where B. when C. because D. as
______ the road turns right, you will see a big supermarket.
A. Where B. When C. How D. Why
They will hold the meeting ______ all the members can attend it easily.
A. where B. when C. how D. what
The old man often sits ______ he used to work when he was young.
A. where B. when C. how D. why
______ you go, remember to keep in touch with your family.
A. Wherever B. Whenever C. Whatever D. However
三、原因状语从句（15 题）
（一）基础题（5 题）
He didn’t go to school yesterday ______ he was ill.
A. because B. so C. but D. and
______ it is raining heavily, we have to stay at home.
A. Because B. Though C. If D. When
She cried ______ she was very sad.
A. because B. so C. and D. but
We didn’t have a picnic ______ the weather was bad.
A. because B. so C. though D. until
______ he is very kind, everyone likes him.
A. Because B. So C. But D. Or
（二）进阶题（5 题）
He failed the exam ______ he didn’t study hard enough.
A. because B. because of C. so D. since
______ she is familiar with the city, she can be our guide.
A. Since B. Because of C. Though D. If
They canceled the sports meeting ______ the heavy rain.
A. because B. because of C. since D. as
______ you are free today, why not go shopping with me
A. Since B. Because C. Though D. When
She didn’t attend the meeting ______ she was on a business trip.
A. as B. so C. but D. and
（三）拓展题（5 题）
______ the traffic was heavy, we arrived at the airport on time.
A. Though B. Because C. In spite of D. Because of
He didn’t go to the party ______ he didn’t like crowded places.
A. because B. because of C. since D. as
______ it was getting dark, they decided to stop working.
A. As B. With C. Because of D. Though
She felt tired ______ she had worked for eight hours without a break.
A. because B. so C. but D. and
______ you know the truth, you should tell me immediately.
A. Since B. Because C. Though D. If
四、目的状语从句（15 题）
（一）基础题（5 题）
She studies hard ______ she can get good grades.
A. so that B. because C. though D. if
He saved money ______ he could buy a new bike.
A. in order that B. because of C. so D. since
We got up early ______ we wouldn’t miss the first bus.
A. so that B. because C. though D. if
She took an umbrella ______ she could keep dry in the rain.
A. in order that B. because C. so D. since
They practice speaking English every day ______ they can improve their oral English.
A. so that B. because C. though D. if
（二）进阶题（5 题）
He spoke loudly ______ everyone in the room could hear him.
A. so that B. because C. though D. if
She wrote down the address ______ she wouldn’t forget it.
A. in order that B. because of C. so D. since
We planted more trees ______ the environment could be improved.
A. so that B. because C. though D. if
He studied Japanese ______ he could communicate with his Japanese friends.
A. in order that B. because C. so D. since
They turned on the light ______ they could see clearly in the dark room.
A. so that B. because C. though D. if
（三）拓展题（5 题）
She worked overtime ______ she could finish the project on time.
A. so that B. because C. though D. if
He saved every penny ______ he could afford to buy a house in the future.
A. in order that B. because of C. so D. since
We learned to cook ______ we wouldn’t have to eat out every day.
A. so that B. because C. though D. if
She took a map ______ she wouldn’t get lost in the new city.
A. in order that B. because C. so D. since
They built a new library ______ students could have more books to read.
A. so that B. because C. though D. if
五、结果状语从句（15 题）
（一）基础题（5 题）
He ran so fast ______ he won the race.
A. that B. because C. though D. if
The film was so interesting ______ all the audience loved it.
A. that B. because C. though D. if
She is such a kind girl ______ everyone wants to be her friend.
A. that B. because C. though D. if
It rained so heavily ______ the streets were flooded.
A. that B. because C. though D. if
He has such a good memory ______ he can remember all the English words.
A. that B. because C. though D. if
（二）进阶题（5 题）
The problem is so difficult ______ no one can solve it.
A. that B. because C. though D. if
She spoke so softly ______ I couldn’t hear her clearly.
A. that B. because C. though D. if
It was such a cold day ______ we stayed indoors all day.
A. that B. because C. though D. if
He studied so hard ______ he passed the exam easily.
A. that B. because C. though D. if
They are such friendly people ______ everyone likes to talk to them.
A. that B. because C. though D. if
（三）拓展题（5 题）
The wind blew so strongly ______ many trees were blown down.
A. that B. because C. though D. if
She has so much money ______ she can buy whatever she wants.
A. that B. because C. though D. if
It was such delicious food ______ we ate up all of it.
A. that B. because C. though D. if
He made so many mistakes in the exam ______ he didn’t pass it.
A. that B. because C. though D. if
It was such a boring speech ______ most people fell asleep.
A. that B. because C. though D. if
六、条件状语从句（15 题）
（一）基础题（5 题）
______ you study hard, you will pass the exam.
A. If B. Because C. Though D. So
You will get wet ______ you don’t take an umbrella.
A. if B. because C. though D. since
______ it rains tomorrow, we won’t go to the park.
A. If B. Because C. Though D. As
You can use my pen ______ you need it.
A. if B. because C. though D. so
______ you finish your homework, you can watch TV.
A. If B. Because C. Though D. Since
（二）进阶题（5 题）
______ you don’t hurry up, you will miss the first bus.
A. If B. Because C. Though D. As
You will be late for school ______ you get up early.
A. unless B. if C. because D. though
______ it snows heavily, we will have a day off.
A. If B. Because C. Though D. Since
You can’t play outside ______ you finish your homework.
A. unless B. if C. because D. though
______ you help me, I will finish the work on time.
A. If B. Because C. Though D. So
（三）拓展题（5 题）
______ you had told me the truth, I wouldn’t have been angry with you.
A. If B. Because C. Though D. Since
You will succeed in the end ______ you keep trying.
A. as long as B. because C. though D. if not
______ it were sunny tomorrow, we would go for a picnic.
A. If B. Because C. Though D. Since
You can borrow this book ______ you promise to return it on time.
A. on condition that B. because C. though D. so
______ you don’t give up, you will have a chance to win.
A. As long as B. Because C. Though D. Since
七、让步状语从句（15 题）
（一）基础题（5 题）
______ he is old, he still works hard.
A. Though B. Because C. If D. So
She still went to school ______ she was ill.
A. though B. because C. if D. since
______ it rains heavily, we will still go to the concert.
A. Though B. Because C. If D. As
He didn’t win the game ______ he practiced a lot.
A. though B. because C. if D. so
______ she is rich, she lives a simple life.
A. Though B. Because C. If D. Since
（二）进阶题（5 题）
______ he is young, he knows a lot about history.
A. Although B. Because C. If D. As
She kept working ______ she was very tired.
A. even though B. because C. if D. so
______ the task is difficult, we will finish it on time.
A. Even if B. Because C. If D. Since
He walked to school ______ it was snowing.
A. though B. because C. if D. as
______ she has no money, she is still happy.
A. Though B. Because C. If D. So
（三）拓展题（5 题）
______ he tried his best, he still failed the exam.
A. Even though B. Because C. If D. As long as
______ the weather is bad, we will not change our travel plan.
A. Even if B. Because C. If D. Since
She speaks English very well ______ she has never been to England.
A. though B. because C. if D. since
______ he is a child, he can solve this difficult math problem.
A. Although B. Because C. If D. So
They kept running ______ they were out of breath.
A. even though B. because C. if D. as
八、方式状语从句（15 题）
（一）基础题（5 题）
Do it ______ I told you.
A. as B. because C. if D. though
She cooks ______ her mother does.
A. as B. because C. if D. so
You should speak to the elderly ______ you speak to your parents.
A. as B. because C. if D. though
He drives ______ his father taught him.
A. as B. because C. if D. so
They danced ______ the music played.
A. as B. because C. if D. though
（二）进阶题（5 题）
Do ______ the teacher tells you to do.
A. as B. because C. if D. though
He learns English ______ his brother did.
A. as B. because C. if D. though
You must handle the problem ______ the rules require.
A. as B. because C. if D. so
She sings ______ she did when she was a teenager.
A. as B. because C. if D. though
They built the house ______ the architect designed.
A. as B. because C. if D. though
（三）拓展题（5 题）
He behaved ______ nothing had happened.
A. as if B. because C. if D. though
She looked at me ______ she knew me well.
A. as if B. because C. if D. so
The leaves fell ______ they were dancing in the wind.
A. as if B. because C. if D. though
He talked ______ he was the boss of the company.
A. as if B. because C. if D. so
The child smiled ______ he had got the best gift in the world.
A. as if B. because C. if D. though
九、比较状语从句（15 题）
（一）基础题（5 题）
Tom is as tall ______ his father.
A. as B. than C. so D. like
This book is as interesting ______ that one.
A. as B. than C. so D. like
She runs as fast ______ her brother.
A. as B. than C. so D. like
This room is not as big ______ that room.
A. as B. than C. so D. like
He studies as hard ______ his sister.
A. as B. than C. so D. like
（二）进阶题（5 题）
This film is more exciting ______ the one we watched last week.
A. than B. as C. so D. like
She is more careful ______ her best friend.
A. than B. as C. so D. like
This restaurant is not as expensive ______ I thought.
A. as B. than C. so D. like
He works harder ______ any other student in his class.
A. than B. as C. so D. like
This park is as beautiful ______ the one we visited in Beijing.
A. as B. than C. so D. like
（三）拓展题（5 题）
The more you practice, ______ you will become.
A. the better B. better C. the best D. best
The more you read, ______ knowledge you will get.
A. the more B. more C. the most D. most
This mountain is not so high ______ the one in Sichuan.
A. as B. than C. so D. like
He is taller ______ his father was at his age.
A. than B. as C. so D. like
The weather is getting colder and colder, ______ is usual in November.
A. as B. than C. so D. like2025年中考英语复合句核心句型之状语从句练习
（答案卷）
一、时间状语从句（15 题）
（一）基础题（5 题）
I will call you ______ I arrive in Beijing.
A. as soon as B. while C. since D. until
答案：A
解析：“as soon as” 表示 “一…… 就……”,引导时间状语从句,符合 “我一到北京就给你打电话” 的语境；“while” 后接延续性动词,“arrive” 是短暂性动词,排除 B；“since” 表 “自从”,“until” 表 “直到”,均不符合句意,排除 C、D。
He was reading a book ______ his mother came back.
A. when B. as C. while D. since
答案：A
解析：“when” 可引导时间状语从句,后接短暂性动词（came back）,强调 “当某个动作发生时,另一个动作正在进行”；“while” 后接延续性动词,排除 C；“as” 表 “一边…… 一边”,“since” 表 “自从”,不符合语境,排除 B、D。
We ______ TV for two hours by the time my father gets home.
A. will watch B. will be watching C. will have watched D. watched
答案：C
解析：“by the time” 引导时间状语从句,从句用一般现在时（gets）表将来,主句需用将来完成时（will have done）,表示 “到父亲回家时,我们将已经看了两小时电视”,故选 C。
______ she grew older, she became more independent.
A. As B. With C. Because D. Since
答案：A
解析：“as” 可引导时间状语从句,表 “随着”,后接句子（she grew older）；“with” 表 “随着” 时后接名词短语,排除 B；“because""since” 表原因,不符合句意,排除 C、D。
Don’t leave ______ I tell you to do so.
A. until B. since C. while D. as
答案：A
解析：“not...until...”是固定搭配,表“直到…… 才……”,句意为“直到我让你走,你再离开”符合语境,其他选项代入后句意不通,排除 BCD。
（二）进阶题（5 题）
I had hardly finished my homework ______ the lights went out.
A. when B. than C. as D. while
答案：A
解析：“hardly...when...” 是固定句型,表 “刚…… 就……”,主句用过去完成时（had finished）,从句用一般过去时（went out）,符合语法规则；“hardly” 不与 “than” 搭配,排除 B；“as""while” 无此用法,排除 C、D。
______ you are in trouble, you can always turn to me for help.
A. Whenever B. Whatever C. However D. Wherever
答案：A
解析：“whenever” 引导时间状语从句,表 “无论何时”,句意为 “无论你何时遇到困难,都可以找我帮忙”；“whatever”（无论什么）、“however”（无论怎样）、“wherever”（无论哪里）均不符合 “时间” 语境,排除 BCD。
By the time we ______ to the cinema, the film ______ for ten minutes.
got; had been on B. got; had started
C. get; has been on D. get; has started
答案：A
解析：“by the time” 引导时间状语从句,若从句用一般过去时（got）,主句需用过去完成时（had done）；“start” 是短暂性动词,不能与 “for ten minutes”（时间段）连用,需换成延续性动词 “be on”,故选 A。
She was talking on the phone ______ walking in the park.
A. while B. when C. as D. since
答案：C
解析：“as” 引导时间状语从句时,可表 “一边…… 一边……”,强调两个动作同时进行（talking 和 walking）；“while” 也表 “同时”,但更侧重 “对比” 或 “动作持续期间”,此处 “as” 更贴合 “一边打电话一边散步” 的语境；“when""since” 不符合,排除BD。
He ______ here for five years before he moved to Shanghai last year.
A. has lived B. had lived C. lived D. was living
答案：B
解析：“before” 引导时间状语从句,从句用一般过去时（moved）,主句动作（live）发生在从句动作之前,需用过去完成时（had lived）,表 “在去年搬去上海之前,他已经在这里住了五年”,故选B。
（三）拓展题（5 题）
______ the day went on, the weather got worse and worse.
A. As B. With C. When D. While
答案：A
解析：“as” 引导时间状语从句,表 “随着”,后接句子（the day went on）；“with” 表 “随着” 时后接 “名词 + 分词” 结构（如 with the day going on）,此处是完整句子,排除 B；“when""while” 无 “随着” 含义,排除 C、D。
I will be working in the office ______ you come to pick me up tomorrow.
A. when B. while C. as D. since
答案：A
解析：“when” 引导时间状语从句,从句用一般现在时（come）表将来,主句用将来进行时（will be working）,表 “明天你来找我时,我将正在办公室工作”；“while” 后接延续性动词,“come” 是短暂性动词,排除 B；“as""since” 不符合语境,排除C、D。
Hardly ______ the station ______ the train left.
had I reached; when B. I had reached; than
C. did I reach; when D. I reached; than
答案：A
解析：“hardly...when...” 句型中,“hardly” 位于句首时,主句需部分倒装（助动词 had 提前）,且主句用过去完成时（had reached）,从句用一般过去时（left）,符合语法规则；其他选项要么未倒装,要么搭配错误,排除B、C、 D。
They had been waiting for the bus for half an hour ______ it finally arrived.
A. before B. when C. while D. as
答案：A
解析：“before” 引导时间状语从句,表 “在…… 之前”,句意为 “他们等了半小时公交车,车才最终到来”,强调 “等待” 动作持续一段时间后,“到达” 动作才发生；“when""while""as” 无此 “动作先后间隔” 的含义,排除BCD
______ I was young, I often played football with my friends in the park.
A. When B. As C. While D. Since
答案：A
解析：“when” 引导时间状语从句,可表 “当…… 时候”,后接短暂性或延续性动词,此处 “was young” 是延续性状态,“when” 适用；“as” 表 “随着” 或 “一边…… 一边”,“while” 表 “同时”,“since” 表 “自从”,均不符合 “小时候经常踢足球” 的语境,排除BCD。
二、地点状语从句（15 题）
（一）基础题（5 题）
You can put the book ______ you like.
A. where B. when C. why D. how
答案：A
解析：“where” 引导地点状语从句,表 “在…… 的地方”,句意为 “你可以把书放在你喜欢的地方”；“when”（时间）、“why”（原因）、“how”（方式）均不符合 “地点” 语境,排除 BCD。
______ there is water, there is life.
A. Where B. When C. Because D. Though
答案：A
解析：“where” 引导地点状语从句,表 “哪里有……,哪里就有……”,是固定表达,句意为 “有水的地方就有生命”；其他选项代入后句意不通,排除BCD。
She found her lost key ______ she had left it.
A. where B. when C. how D. what
答案：A
解析：“where” 引导地点状语从句,表 “在她之前放钥匙的地方”,符合 “她在之前放钥匙的地方找到了丢失的钥匙” 的句意；“when”（时间）、“how”（方式）、“what”（什么）不符合,排除BCD。
We will build a new school ______ the population is growing fast.
A. where B. when C. why D. which
答案：A
解析：“where” 引导地点状语从句,表 “在人口增长快的地方建学校”,符合逻辑；“when”（时间）、“why”（原因）、“which”（引导定语从句,需先行词）均不符合,排除BCD。
______ he goes, he always takes a book with him.
A. Wherever B. Whenever C. Whatever D. However
答案：A
解析：“wherever” 引导地点状语从句,表 “无论哪里”,句意为 “无论他去哪里,都总是带一本书”；“whenever”（无论何时）、“whatever”（无论什么）、“however”（无论怎样）不符合 “地点” 语境,排除BCD。
（二）进阶题（5 题）
The little girl likes to sit ______ her mother can see her.
A. where B. when C. because D. though
答案：A
解析：“where” 引导地点状语从句,表 “在她妈妈能看到她的地方”,符合 “小女孩喜欢坐在妈妈能看到她的地方” 的句意；“when”（时间）、“because”（原因）、“though”（让步）不符合,排除BCD。
______ you work, you should try your best to do it well.
A. Wherever B. Whenever C. Whatever D. However
答案：A
解析：“wherever” 引导地点状语从句,表 “无论你在哪里工作”,强调 “地点上的无论何处”；“whenever”（无论何时）、“whatever”（无论做什么）、“however”（无论怎样）不符合 “工作地点” 的语境,排除BCD。
They decided to camp ______ the river flows slowly.
A. where B. when C. how D. why
答案：A
解析：“where” 引导地点状语从句,表 “在河水流得慢的地方露营”,符合 “他们决定在河水流速慢的地方扎营” 的逻辑；“when”（时间）、“how”（方式）、“why”（原因）不符合,排除BCD。
The shop is located ______ the two streets cross.
A. where B. when C. which D. what
答案：A
解析：“where” 引导地点状语从句,表 “在两条街交叉的地方”,句意为 “商店位于两条街的交叉口”；“when”（时间）、“which”（需先行词）、“what”（不引导地点状语从句）不符合,排除BCD。
______ there is a will, there is a way.
A. Where B. When C. Because D. Though
答案：A
解析：这是固定谚语,“where” 引导地点状语从句,表 “哪里有意志,哪里就有方法”（有志者事竟成）,是固定用法,其他选项无法构成谚语含义,排除BCD。
（三）拓展题（5 题）
She planted flowers ______ the sun shines most of the day.
A. where B. when C. because D. as
答案：A
解析：“where” 引导地点状语从句,表 “在一天中阳光最充足的地方种花”,符合 “植物生长需要阳光” 的逻辑；“when”（时间）、“because”（原因）、“as”（随着 / 因为）不符合 “地点” 需求,排除BCD。
______ the road turns right, you will see a big supermarket.
A. Where B. When C. How D. Why
答案：A
解析：“where” 引导地点状语从句,表 “在路右转的地方”,句意为 “在路右转的地方,你会看到一家大超市”,强调 “转弯的那个地点”；“when”（时间）、“how”（方式）、“why”（原因）不符合,排除BCD。
They will hold the meeting ______ all the members can attend it easily.
A. where B. when C. how D. what
答案：A
解析：“where” 引导地点状语从句,表 “在所有成员都能轻松参加的地方开会”,侧重 “地点便利性”；“when”（时间,若选需调整为 “when all members can attend easily”,但此处语境更侧重地点）、“how”（方式）、“what”（不适用）不符合,排除BCD。
The old man often sits ______ he used to work when he was young.
A. where B. when C. how D. why
答案：A
解析：“where” 引导地点状语从句,表 “在他年轻时工作过的地方”,句意为 “老人经常坐在他年轻时工作过的地方”,强调 “过去工作的地点”；其他选项不符合 “地点” 含义,排除BCD。
______ you go, remember to keep in touch with your family.
A. Wherever B. Whenever C. Whatever D. However
答案：A
解析：“wherever” 引导地点状语从句,表 “无论你去哪里”,呼应 “与家人保持联系” 的场景,强调 “地点上的任意性”；“whenever”（无论何时）、“whatever”（无论什么）、“however”（无论怎样）不符合,排除BCD。
三、原因状语从句（15 题）
（一）基础题（5 题）
He didn’t go to school yesterday ______ he was ill.
A. because B. so C. but D. and
答案：A
解析：“because” 引导原因状语从句,表 “因为”,直接说明 “没上学” 的原因是 “生病”；“so” 表结果（“所以”）、“but” 表转折（“但是”）、“and” 表并列（“和”）,均不符合 “原因” 语境,排除BCD。
______ it is raining heavily, we have to stay at home.
A. Because B. Though C. If D. When
答案：A
解析：“because” 引导原因状语从句,表 “因为雨下得大,所以我们不得不待在家里”,逻辑通顺；“though”（尽管,让步）、“if”（如果,条件）、“when”（当…… 时,时间）不符合,排除BCD。
She cried ______ she was very sad.
A. because B. so C. and D. but
答案：A
解析：“because” 引导原因状语从句,表 “因为她很伤心,所以哭了”,直接解释 “哭” 的原因；其他选项无 “原因” 含义,排除BCD。
We didn’t have a picnic ______ the weather was bad.
A. because B. so C. though D. until
答案：A
解析：“because” 引导原因状语从句,表 “因为天气不好,所以没去野餐”,符合逻辑；“so”（结果）、“though”（让步）、“until”（时间）不符合,排除BCD。
______ he is very kind, everyone likes him.
A. Because B. So C. But D. Or
答案：A
解析：“because” 引导原因状语从句,表 “因为他很善良,所以大家都喜欢他”；“so” 不能引导从句（需用 “逗号 + so” 连接结果）,排除B；“but”（转折）、“or”（选择）不符合,排除 CD。
（二）进阶题（5 题）
He failed the exam ______ he didn’t study hard enough.
A. because B. because of C. so D. since
答案：A
解析：“because” 引导原因状语从句,后接完整句子（he didn’t study hard enough）,表 “因为学习不够努力,所以考试失败”；“because of” 后接名词 / 名词短语,排除 B；“so” 表结果,“since” 表 “既然”（语气较弱,此处更侧重直接原因）,排除C、D。
______ she is familiar with the city, she can be our guide.
A. Since B. Because of C. Though D. If
答案：A
解析：“since” 引导原因状语从句,表 “既然”,语气比 “because” 弱,侧重 “已知的、显而易见的原因”（她熟悉城市,所以能当向导）；“because of” 后接名词短语,排除 B；“though”（让步）、“if”（条件）不符合,排除CD。
They canceled the sports meeting ______ the heavy rain.
A. because B. because of C. since D. as
答案：B
解析：“because of” 后接名词短语（the heavy rain）,表 “因为大雨”；“because""since""as” 均引导从句,后需接完整句子,此处 “the heavy rain” 是名词短语,排除ACD。
______ you are free today, why not go shopping with me
A. Since B. Because C. Though D. When
答案：A
解析：“since” 引导原因状语从句,表 “既然”,用于提出 “对方已知的情况”（你今天有空）,引出建议（去购物）；“because” 侧重 “直接原因”,不适合此处建议场景,排除 B；“though”（让步）、“when”（时间）不符合,排除C、D。
She didn’t attend the meeting ______ she was on a business trip.
A. as B. so C. but D. and
答案：A
解析：“as” 引导原因状语从句,语气比 “because” 弱,表 “由于”,符合 “由于出差,所以没参会” 的语境；“so” 表结果,“but” 表转折,“and” 表并列,排除BCD。
（三）拓展题（5 题）
______ the traffic was heavy, we arrived at the airport on time.
A. Though B. Because C. In spite of D. Because of
答案：A
解析：句意为 “尽管交通拥堵,我们还是准时到了机场”,存在转折关系,“though” 引导让步状语从句（此处易混淆为原因,需注意逻辑：交通拥堵本应迟到,却准时到了,故是让步）；“because""because of” 表原因,与句意矛盾,排除 B、D；“in spite of” 后接名词短语,此处是句子,排除C。
He didn’t go to the party ______ he didn’t like crowded places.
A. because B. because of C. since D. as
答案：A
解析：“because” 引导原因状语从句,表 “直接原因”（不喜欢拥挤场所是没去派对的核心原因）,语气最强,符合语境；“since""as” 语气较弱,侧重 “显而易见的原因”,此处更强调 “核心原因”,排除 C、D；“because of” 后接名词短语,排除B。
______ it was getting dark, they decided to stop working.
A. As B. With C. Because of D. Though
答案：A
解析：“as” 引导原因状语从句,表 “由于”,后接句子（it was getting dark）；“with” 表 “随着” 时后接 “名词 + 分词”（如 with it getting dark）,排除 B；“because of” 后接名词短语,排除 C；“though” 表让步,与句意矛盾,排除D。
She felt tired ______ she had worked for eight hours without a break.
A. because B. so C. but D. and
答案：A
解析：“because” 引导原因状语从句,表 “因为连续工作八小时没休息,所以感到累”,直接解释 “累” 的原因；“so” 表结果（需调整为 “she had worked...,so she felt tired”）,排除 B；“but""and” 不符合逻辑,排除 CD。
______ you know the truth, you should tell me immediately.
A. Since B. Because C. Though D. If
答案：A
解析：“since” 引导原因状语从句,表 “既然”,强调 “已知你知道真相” 这一前提,引出 “应立即告诉我” 的结论；“because” 侧重 “直接原因”,不适合此处 “前提 - 结论” 逻辑,排除 B；“though”（让步）、“if”（条件）不符合,排除C、D。
四、目的状语从句（15 题）
（一）基础题（5 题）
She studies hard ______ she can get good grades.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了”,句意为 “她努力学习是为了能取得好成绩”；“because”（原因）、“though”（让步）、“if”（条件）不符合 “目的” 语境,排除BCD。
He saved money ______ he could buy a new bike.
A. in order that B. because of C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了”,后接完整句子（he could buy a new bike）；“because of” 后接名词短语,排除 B；“so” 表结果（需用 “逗号 + so”）,排除 C；“since” 表原因,排除D。
We got up early ______ we wouldn’t miss the first bus.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了不错过首班车”,符合 “早起” 的目的；其他选项无 “目的” 含义,排除 BCD。
She took an umbrella ______ she could keep dry in the rain.
A. in order that B. because C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了在雨中保持干燥”,是 “带伞” 的目的；“because”（原因）、“so”（结果）、“since”（原因）不符合,排除 BCD。
They practice speaking English every day ______ they can improve their oral English.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了提高英语口语”,是 “每天练习” 的目的；其他选项不符合 “目的” 逻辑,排除 BCD。
（二）进阶题（5 题）
He spoke loudly ______ everyone in the room could hear him.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了房间里的每个人都能听到他”,是 “大声说话” 的目的；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
She wrote down the address ______ she wouldn’t forget it.
A. in order that B. because of C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了不忘记地址”,是 “写下地址” 的目的；“because of” 后接名词短语,排除B；“so” 表结果,排除C；“since” 表原因,排除D。
We planted more trees ______ the environment could be improved.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了改善环境”,是 “种更多树” 的目的；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
He studied Japanese ______ he could communicate with his Japanese friends.
A. in order that B. because C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了能和日本朋友交流”,是 “学日语” 的目的；“because”（原因）、“so”（结果）、“since”（原因）不符合,排除BCD。
They turned on the light ______ they could see clearly in the dark room.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了在黑暗房间里看清楚”,是 “开灯” 的目的；其他选项无 “目的” 含义,排除BCD。
（三）拓展题（5 题）
She worked overtime ______ she could finish the project on time.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了按时完成项目”,是 “加班” 的目的；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除 BCD。
He saved every penny ______ he could afford to buy a house in the future.
A. in order that B. because of C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了将来能买得起房子”,是 “省钱” 的长远目的；“because of” 后接名词短语,排除 B；“so” 表结果,排除 C；“since” 表原因,排除D。
We learned to cook ______ we wouldn’t have to eat out every day.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了不用每天出去吃”,是 “学做饭” 的目的；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
She took a map ______ she wouldn’t get lost in the new city.
A. in order that B. because C. so D. since
答案：A
解析：“in order that” 引导目的状语从句,表 “为了在新城市不迷路”,是 “带地图” 的目的；“because”（原因）、“so”（结果）、“since”（原因）不符合,排除BCD。
They built a new library ______ students could have more books to read.
A. so that B. because C. though D. if
答案：A
解析：“so that” 引导目的状语从句,表 “为了学生能有更多书读”,是 “建图书馆” 的目的；其他选项不符合 “目的” 逻辑,排除BCD。
五、结果状语从句（15 题）
（一）基础题（5 题）
He ran so fast ______ he won the race.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 是固定结构,引导结果状语从句,表 “如此…… 以至于……”,句意为 “他跑得如此快,以至于赢得了比赛”；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
The film was so interesting ______ all the audience loved it.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “电影如此有趣,以至于所有观众都喜欢它”；其他选项无 “结果” 含义,排除BCD。
She is such a kind girl ______ everyone wants to be her friend.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,“such+a/an + 形容词 + 名词 + that...” 是固定结构,表 “如此善良的女孩,以至于大家都想和她做朋友”；其他选项不符合,排除BCD。
It rained so heavily ______ the streets were flooded.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “雨下得如此大,以至于街道被淹了”；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
He has such a good memory ______ he can remember all the English words.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,表 “记忆力如此好,以至于能记住所有英语单词”；其他选项无 “结果” 含义,排除BCD。
（二）进阶题（5 题）
The problem is so difficult ______ no one can solve it.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “问题如此难,以至于没人能解决”；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
She spoke so softly ______ I couldn’t hear her clearly.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “说话如此轻,以至于我听不清楚”；其他选项不符合 “结果” 逻辑,排除BCD。
It was such a cold day ______ we stayed indoors all day.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,“such+a/an + 形容词 + 名词 + that...” 结构,表 “天气如此冷,以至于我们整天待在室内”；其他选项不符合,排除BCD。
He studied so hard ______ he passed the exam easily.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “学习如此努力,以至于轻松通过考试”；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
They are such friendly people ______ everyone likes to talk to them.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,“such + 形容词 + 名词复数 + that...” 结构,表 “如此友好的人,以至于大家都喜欢和他们聊天”；其他选项无 “结果” 含义,排除BCD。
（三）拓展题（5 题）
The wind blew so strongly ______ many trees were blown down.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,表 “风刮得如此大,以至于很多树被吹倒”；“because”（原因）、“though”（让步）、“if”（条件）不符合,排除BCD。
She has so much money ______ she can buy whatever she wants.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,“so+much/many + 名词 + that...” 结构,表 “钱如此多,以至于能买任何想要的东西”；其他选项不符合,排除 BCD。
It was such delicious food ______ we ate up all of it.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,“such + 形容词 + 不可数名词 + that...” 结构,表 “食物如此美味,以至于我们全吃光了”；其他选项无 “结果”含义,排BCD。
He made so many mistakes in the exam ______ he didn’t pass it.
A. that B. because C. though D. if
答案：A
解析：“so...that...” 引导结果状语从句,“so+many + 名词 + that...” 结构,表 “考试中犯了如此多的错,以至于没通过”；“because”（原因）、“though”（让步）、“if”（条件）不符合 “结果” 逻辑,排除BCD。
It was such a boring speech ______ most people fell asleep.
A. that B. because C. though D. if
答案：A
解析：“such...that...” 引导结果状语从句,“such+a/an + 形容词 + 名词 + that...” 结构,表 “演讲如此无聊,以至于大多数人睡着了”；其他选项无 “结果” 含义,排除BCD。
六、条件状语从句（15 题）
（一）基础题（5 题）
______ you study hard, you will pass the exam.
A. If B. Because C. Though D. So
答案：A
解析：“if” 引导条件状语从句,表 “如果”,遵循 “主将从现” 原则（主句用一般将来时 will pass,从句用一般现在时 study）,句意为 “如果你努力学习,就会通过考试”；“because”（原因）、“though”（让步）、“so”（结果）不符合,排除BCD。
You will get wet ______ you don’t take an umbrella.
A. if B. because C. though D. since
答案：A
解析：“if” 引导条件状语从句,表 “如果不拿伞,就会淋湿”,符合 “主将从现”（主句 will get,从句 don’t take）；其他选项无 “条件” 含义,排除 BCD。
______ it rains tomorrow, we won’t go to the park.
A. If B. Because C. Though D. As
答案：A
解析：“if” 引导条件状语从句,表 “如果明天下雨,就不去公园”,遵循 “主将从现”（主句 won’t go,从句 rains）；“because”（原因）、“though”（让步）、“as”（原因 / 时间）不符合,排除BCD。
You can use my pen ______ you need it.
A. if B. because C. though D. so
答案：A
解析：“if” 引导条件状语从句,表 “如果你需要,就可以用我的笔”,从句用一般现在时 need 表当前条件；其他选项不符合 “条件” 语境,排除 BCD。
______ you finish your homework, you can watch TV.
A. If B. Because C. Though D. Since
答案：A
解析：“if” 引导条件状语从句,表 “如果完成作业,就可以看电视”,符合 “主将从现”（主句 can watch,从句 finish）；其他选项无 “条件” 逻辑,排除BCD。
（二）进阶题（5 题）
______ you don’t hurry up, you will miss the first bus.
A. If B. Because C. Though D. As
答案：A
解析：“if” 引导条件状语从句,表 “如果不快点,就会错过首班车”,遵循 “主将从现”（主句 will miss,从句 don’t hurry）；“because”（原因）、“though”（让步）、“as”（原因 / 时间）不符合,排除 BCD。
You will be late for school ______ you get up early.
A. unless B. if C. because D. though
答案：A
解析：“unless” 引导条件状语从句,表 “除非”,相当于 “if not”,句意为 “除非你早起,否则会上学迟到”（即 “如果不早起,就会迟到”）；“if”（如果,代入后逻辑矛盾）、“because”（原因）、“though”（让步）不符合,排除BCD。
______ it snows heavily, we will have a day off.
A. If B. Because C. Though D. Since
答案：A
解析：“if” 引导条件状语从句,表 “如果雪下得大,就会放一天假”,遵循 “主将从现”（主句 will have,从句 snows）；其他选项无 “条件” 含义,排除BCD。
You can’t play outside ______ you finish your homework.
A. unless B. if C. because D. though
答案：A
解析：“unless” 引导条件状语从句,表 “除非完成作业,否则不能在外面玩”（即 “如果不完成作业,就不能玩”）,符合逻辑；“if”（如果,代入后意为 “完成作业就不能玩”,矛盾）、“because”（原因）、“though”（让步）不符合,排除BCD。
______ you help me, I will finish the work on time.
A. If B. Because C. Though D. So
答案：A
解析：“if” 引导条件状语从句,表 “如果你帮我,我就能按时完成工作”,遵循 “主将从现”（主句 will finish,从句 help）；“because”（原因）、“though”（让步）、“so”（结果）不符合,排除BCD。
（三）拓展题（5 题）
______ you had told me the truth, I wouldn’t have been angry with you.
A. If B. Because C. Though D. Since
答案：A
解析：此处是虚拟条件句,“if” 引导与过去事实相反的条件状语从句,从句用过去完成时（had told）,主句用 “would have done”（wouldn’t have been）,句意为 “如果你当时告诉我真相,我就不会生你的气了”；其他选项无虚拟条件用法,排除BCD。
You will succeed in the end ______ you keep trying.
A. as long as B. because C. though D. if not
答案：A
解析：“as long as” 引导条件状语从句,表 “只要”,语气比 “if” 更强,强调 “持续努力” 这一必要条件,句意为 “只要你坚持努力,最终就会成功”；“because”（原因）、“though”（让步）、“if not”（如果不,逻辑矛盾）不符合,排除BCD。
______ it were sunny tomorrow, we would go for a picnic.
A. If B. Because C. Though D. Since
答案：A
解析：此处是虚拟条件句,“if” 引导与将来事实可能相反的条件状语从句,从句用 “were”（be 动词的虚拟形式）,主句用 “would do”（would go）,句意为 “如果明天天气晴朗,我们就去野餐”（隐含 “明天可能不晴朗” 的假设）；其他选项无虚拟用法,排除BCD。
You can borrow this book ______ you promise to return it on time.
A. on condition that B. because C. though D. so
答案：A
解析：“on condition that” 引导条件状语从句,表 “在…… 条件下”,强调 “按时还书” 是 “借书” 的前提条件,句意为 “只要你答应按时还书,就可以借这本书”；“because”（原因）、“though”（让步）、“so”（结果）不符合,排除BCD。
______ you don’t give up, you will have a chance to win.
A. As long as B. Because C. Though D. Since
答案：A
解析：“as long as” 引导条件状语从句,表 “只要”,强调 “不放弃” 是 “有机会赢” 的关键条件,句意为 “只要你不放弃,就会有赢的机会”；其他选项无 “条件” 逻辑,排除BCD。
七、让步状语从句（15 题）
（一）基础题（5 题）
______ he is old, he still works hard.
A. Though B. Because C. If D. So
答案：A
解析：“though” 引导让步状语从句,表 “尽管”,句意为 “尽管他年纪大了,但仍努力工作”,存在转折关系；“because”（原因）、“if”（条件）、“so”（结果）不符合,排除BCD。
She still went to school ______ she was ill.
A. though B. because C. if D. since
答案：A
解析：“though” 引导让步状语从句,表 “尽管生病了,但还是去上学了”,转折关系明显；其他选项无 “让步” 含义,排除BCD。
______ it rains heavily, we will still go to the concert.
A. Though B. Because C. If D. As
答案：A
解析：“though” 引导让步状语从句,表 “尽管雨下得大,但我们还是会去听音乐会”,符合 “让步 - 转折” 逻辑；“because”（原因）、“if”（条件）、“as”（原因 / 时间）不符合,排除BCD。
He didn’t win the game ______ he practiced a lot.
A. though B. because C. if D. so
答案：A
解析：“though” 引导让步状语从句,表 “尽管他练习了很多,但还是没赢得比赛”,转折关系成立；其他选项无 “让步” 逻辑,排除BCD。
______ she is rich, she lives a simple life.
A. Though B. Because C. If D. Since
答案：A
解析：“though” 引导让步状语从句,表 “尽管她有钱,但过着简单的生活”,符合 “让步” 语境；其他选项不符合,排除BCD。
（二）进阶题（5 题）
______ he is young, he knows a lot about history.
A. Although B. Because C. If D. As
答案：A
解析：“although” 与 “though” 用法相同,引导让步状语从句,表 “尽管”,句意为 “尽管他年轻,但对历史了解很多”；“because”（原因）、“if”（条件）、“as”（原因 / 时间）不符合,排除BCD。
She kept working ______ she was very tired.
A. even though B. because C. if D. so
答案：A
解析：“even though” 引导让步状语从句,表 “即使”,语气比 “though” 更强,句意为 “即使她很累,仍继续工作”；其他选项无 “让步” 含义,排除 BCD。
______ the task is difficult, we will finish it on time.
A. Even if B. Because C. If D. Since
答案：A
解析：“even if” 引导让步状语从句,表 “即使”,强调 “任务难” 但 “仍会按时完成”,转折语气强；“because”（原因）、“if”（条件）、“since”（原因）不符合,排除BCD。
He walked to school ______ it was snowing.
A. though B. because C. if D. as
答案：A
解析：“though” 引导让步状语从句,表 “尽管在下雪,但他还是步行去上学”,符合 “让步 - 转折” 逻辑；其他选项不符合,排除BCD。
______ she has no money, she is still happy.
A. Though B. Because C. If D. So
答案：A
解析：“though” 引导让步状语从句,表 “尽管她没钱,但仍然开心”,转折关系明显；其他选项无 “让步” 含义,排除BCD。
（三）拓展题（5 题）
______ he tried his best, he still failed the exam.
A. Even though B. Because C. If D. As long as
答案：A
解析：“even though” 引导让步状语从句,表 “即使他尽了最大努力,但还是没通过考试”,语气比 “though” 更强,突出 “努力却失败” 的转折；“because”（原因）、“if”（条件）、“as long as”（只要）不符合,排除BCD。
______ the weather is bad, we will not change our travel plan.
A. Even if B. Because C. If D. Since
答案：A
解析：“even if” 引导让步状语从句,表 “即使天气不好,我们也不会改变旅行计划”,强调 “天气” 不影响 “计划”,让步语气强；其他选项不符合,排除 BCD。
She speaks English very well ______ she has never been to England.
A. though B. because C. if D. since
答案：A
解析：“though” 引导让步状语从句,表 “尽管她从没去过英国,但英语说得很好”,转折关系合理（通常 “去英国” 与 “英语好” 相关,此处打破这一关联,用 “though” 表让步）；其他选项无 “让步” 逻辑,排除 BCD。
______ he is a child, he can solve this difficult math problem.
A. Although B. Because C. If D. So
答案：A
解析：“although” 引导让步状语从句,表 “尽管他是个孩子,但能解决这道难题”,突出 “年龄小却能力强” 的转折；“because”（原因）、“if”（条件）、“so”（结果）不符合,排除BCD。
They kept running ______ they were out of breath.
A. even though B. because C. if D. as
答案：A
解析：“even though” 引导让步状语从句,表 “即使他们上气不接下气,仍继续跑”,强调 “疲惫” 却 “坚持” 的让步关系；其他选项不符合,排除BCD。
八、方式状语从句（15 题）
（一）基础题（5 题）
Do it ______ I told you.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “按照”,句意为 “按照我告诉你的去做”；“because”（原因）、“if”（条件）、“though”（让步）不符合 “方式” 语境,排除BCD。
She cooks ______ her mother does.
A. as B. because C. if D. so
答案：A
解析：“as” 引导方式状语从句,表 “像…… 一样”,句意为 “她做饭像她妈妈一样”；其他选项无 “方式” 含义,排除BCD。
You should speak to the elderly ______ you speak to your parents.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “像对待父母一样对待老人”,符合 “方式” 逻辑；“because”（原因）、“if”（条件）、“though”（让步）不符合,排除BCD。
He drives ______ his father taught him.
A. as B. because C. if D. so
答案：A
解析：“as” 引导方式状语从句,表 “按照他爸爸教的方式开车”；其他选项不符合 “方式” 语境,排除BCD。
They danced ______ the music played.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “随着音乐跳舞”,强调 “跳舞的方式与音乐配合”；其他选项无 “方式” 含义,排除BCD。
（二）进阶题（5 题）
Do ______ the teacher tells you to do.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “按照老师让你做的去做”,从句中 “do” 后省略了宾语（what）,完整结构为 “do as the teacher tells you to do (what)”；其他选项不符合,排除BCD。
He learns English ______ his brother did.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “像他哥哥那样学英语”,从句用一般过去时（did）呼应 “哥哥过去学英语的方式”,符合语境；“because”（原因）、“if”（条件）、“though”（让步）不符合 “方式” 逻辑,排除BCD。
You must handle the problem ______ the rules require.
A. as B. because C. if D. so
答案：A
解析：“as” 引导方式状语从句,表 “按照规则要求处理问题”,强调 “遵循规则的方式”；其他选项无 “方式” 含义,排除BCD。
She sings ______ she did when she was a teenager.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “她唱歌像年轻时那样”,从句 “did” 指代 “sang”,突出 “唱歌方式的一致性”；其他选项不符合 “方式” 语境,排除BCD。
They built the house ______ the architect designed.
A. as B. because C. if D. though
答案：A
解析：“as” 引导方式状语从句,表 “按照建筑师设计的方式建房”,从句完整含义为 “as the architect designed (it)”,符合 “按设计施工” 的逻辑；其他选项不符合,排除BCD。
（三）拓展题（5 题）
He behaved ______ nothing had happened.
A. as if B. because C. if D. though
答案：A
解析：“as if” 引导方式状语从句,表 “好像”,常用于描述 “看似某种状态实际并非如此”,句意为 “他表现得好像什么都没发生过”；“because”（原因）、“if”（条件）、“though”（让步）无此 “模拟状态” 的含义,排除BCD。
She looked at me ______ she knew me well.
A. as if B. because C. if D. so
答案：A
解析：“as if” 引导方式状语从句,表 “她看着我,好像很了解我似的”,强调 “眼神传递的方式像熟悉的状态”；其他选项不符合 “模拟熟悉感” 的语境,排除BCD。
The leaves fell ______ they were dancing in the wind.
A. as if B. because C. if D. though
答案：A
解析：“as if” 引导方式状语从句,表 “树叶落下,好像在风中跳舞”,用拟人化的 “跳舞” 描述 “落叶的方式”,符合文学性表达；其他选项无 “比喻式方式” 的含义,排除BCD。
He talked ______ he was the boss of the company.
A. as if B. because C. if D. so
答案：A
解析：“as if” 引导方式状语从句,表 “他说话的样子好像自己是公司老板”,突出 “说话语气、姿态模拟老板的状态”；其他选项不符合 “模拟身份” 的逻辑,排除BCD。
The child smiled ______ he had got the best gift in the world.
A. as if B. because C. if D. though
答案：A
解析：“as if” 引导方式状语从句,表 “孩子笑起来,好像得到了世界上最好的礼物”,用 “得到礼物” 的状态描述 “微笑的方式”,符合 “通过表情传递感受” 的语境；其他选项不符合,排除BCD。
九、比较状语从句（15 题）
（一）基础题（5 题）
Tom is as tall ______ his father.
A. as B. than C. so D. like
答案：A
解析：“as...as...” 是同级比较结构,引导比较状语从句,表 “和…… 一样”,从句中 “his father” 后省略了 “is”（完整为 “as his father is”）,句意为 “汤姆和他爸爸一样高”；“than” 用于比较级（如 taller than）,“so”（如此）、“like”（像,介词,后接名词不接从句）不符合,排除BCD。
This book is as interesting ______ that one.
A. as B. than C. so D. like
答案：A
解析：“as...as...” 引导同级比较状语从句,表 “这本书和那本一样有趣”,从句 “that one” 后省略 “is”；其他选项无 “同级比较” 用法,排除BCD。
She runs as fast ______ her brother.
A. as B. than C. so D. like
答案：A
解析：“as...as...” 引导同级比较状语从句,表 “她和哥哥跑得一样快”,从句 “her brother” 后省略 “does”（指代 runs）；“than” 用于比较级,“so""like” 不符合,排除BCD。
This room is not as big ______ that room.
A. as B. than C. so D. like
答案：A
解析：“not as...as...” 是同级比较的否定形式,引导比较状语从句,表 “这个房间不如那个房间大”,符合 “否定同级比较” 的语法结构；其他选项不符合,排除BCD。
He studies as hard ______ his sister.
A. as B. than C. so D. like
答案：A
解析：“as...as...” 引导同级比较状语从句,表 “他和妹妹学习一样努力”,从句 “his sister” 后省略 “does”（指代 studies）；其他选项无 “同级比较” 含义,排除BCD。
（二）进阶题（5 题）
This film is more exciting ______ the one we watched last week.
A. than B. as C. so D. like
答案：A
解析：“more + 形容词” 是比较级结构,后接 “than” 引导比较状语从句,表 “这部电影比上周看的那部更刺激”,从句 “the one” 后省略 “was”；“as” 用于同级比较,“so""like” 不符合,排除BCD。
She is more careful ______ her best friend.
A. than B. as C. so D. like
答案：A
解析：“more careful” 是比较级,后接 “than” 引导比较状语从句,表 “她比最好的朋友更细心”,从句 “her best friend” 后省略 “is”；其他选项无 “比较级连接” 用法,排除BCD。
This restaurant is not as expensive ______ I thought.
A. as B. than C. so D. like
答案：A
解析：“not as...as...” 引导比较状语从句,从句可接完整句子（I thought）,表 “这家餐厅不如我想象的贵”,此处 “as” 后是完整从句,而非简单名词,符合 “同级比较从句的灵活用法”；“than” 用于比较级,排除B；“so""like” 不符合,排除CD。
He works harder ______ any other student in his class.
A. than B. as C. so D. like
答案：A
解析：“harder” 是比较级,后接 “than” 引导比较状语从句,表 “他比班上其他任何学生都努力”,“any other + 名词单数” 是比较级中 “与同类其他事物比较” 的常用结构；其他选项不符合,排除BCD。
This park is as beautiful ______ the one we visited in Beijing.
A. as B. than C. so D. like
答案：A
解析：“as...as...” 引导同级比较状语从句,表 “这个公园和我们在北京参观的那个一样美”,从句 “the one” 后省略 “was”,且 “we visited in Beijing” 是定语从句修饰 “the one”,体现比较状语从句与定语从句的结合；其他选项不符合,排除BCD。
（三）拓展题（5 题）
The more you practice, ______ you will become.
A. the better B. better C. the best D. best
答案：A
解析：“the + 比较级..., the + 比较级...” 是固定结构,引导比较状语从句,表 “越……,越……”,句意为 “你练习得越多,就会变得越好”,需用 “the + 比较级” 的双重结构；“better” 前缺 “the”,“the best""best” 是最高级,不符合,排除BCD。
The more you read, ______ knowledge you will get.
A. the more B. more C. the most D. most
答案：A
解析：“the + 比较级..., the + 比较级...” 结构,“more knowledge” 是 “knowledge” 的比较级（不可数名词用 “more” 修饰）,句意为 “你读的书越多,得到的知识就越多”；“more” 前缺 “the”,“the most""most” 是最高级,排除BCD。
This mountain is not so high ______ the one in Sichuan.
A. as B. than C. so D. like
答案：A
解析：“not so...as...” 与 “not as...as...” 用法相同,均引导同级比较状语从句,表 “不如……”,句意为 “这座山不如四川的那座高”,“so” 可替换 “as” 用于否定同级比较,是固定用法；其他选项不符合,排除BCD。
He is taller ______ his father was at his age.
A. than B. as C. so D. like
答案：A
解析：“taller” 是比较级,后接 “than” 引导比较状语从句,从句是完整句子（his father was at his age）,表 “他比他爸爸在他这个年纪时更高”,体现 “不同时间的同类比较”；其他选项不符合,排除BCD。
The weather is getting colder and colder, ______ is usual in November.
A. as B. than C. so D. like
答案：A
解析：“as” 引导比较状语从句,表 “正如,像…… 一样”,此处从句 “as is usual in November” 表 “像十一月通常的天气那样”,用于补充说明 “天气变冷” 是正常现象,是 “as” 引导比较状语从句的特殊用法（从句中 “as” 作主语）；其他选项无此 “补充说明同类情况” 的含义,排除BCD。
