中小学教育资源及组卷应用平台
专题13 重点语法时间状语从句百题练（语法全掌握）（教师版）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．Don’t go out ________ your mother comes home.
A．until B．or C．after
2．—It’s too late. I have to go now.
—Oh, it’s raining outside. You’d better wait here ________ it stops.
A．but B．since C．till
3．Tony must do his homework ________ he watches TV.
A．before B．when C．because D．or
4．________ he came here, he had no ideas how serious the situation was.
A．Because B．Until C．After D．Since
5．—When did you go to bed last night
—I didn’t go to bed ________ my father came back.
A．when B．until C．after D．while
6．Judy, remember to brush your teeth ________ you go to bed.
A．before B．after C．because
7．________ Miss Li came into the classroom, all the students kept quiet.
A．As well as B．So C．As soon as D．Until
8．Please hold on to your dream _____ one day it comes true.
A．if B．until
C．unless D．though
9．He ________ the dog when he went into the room.
A．does not notice B．won't notice C．is not noticing D．did not notice
10．Wash your hands ________ you have meals. It is good for your health.
A．after B．until C．before
11．—John didn’t stop looking for a job _________ he got an offer from a German company.
—Lucky him. It’s not easy for university graduates to get a good job now.
A．until B．since C．as D．if
12．Julie didn’t leave her office _____ the police arrived.
A．however B．whenever C．while D．until
13．Ben has lived here _________ he was born.
A．for B．when C．since D．from
14．I didn’t go to bed ________ 11 o’clock yesterday.
A．until B．after C．at D．on
15．She always brings a present ________ she visits her friends.
A．before B．until C．when D．after
16．Li Jie always plays computer games ________ it is very late at night.
A．after B．before C．until
17．The students in Fuzhou will not end up having their online class（网课）________ the outbreak is under control（疫情得到控制）.
A．after B．until C．but
18．Students with good learning habits always finish their homework first ________ they play with friends or classmates.
A．because B．after C．before
19．Walk along the road ________ you see the big sign, then you can find the bank.
A．but B．or C．until
20．Mr. Li is busy (忙碌) these days, and he always works ________ it is very late at night.
A．until B．before C．after D．when
21．Mrs. White often tells Moll to finish her homework ________ she goes out to play.
A．so B．before C．because D．but
22．The students are dancing happily ________ I pass the school hall.
A．when B．if C．or
23．—Let's play basketball!
—I'd love to, but my mum asks me to wait at home she comes back.
A．when B．till
C．before D．and
24．My father often plays sports ________ he eats breakfast in the morning.
A．when B．if C．until D．before
25．Li Ming doesn’t go to bed ________ his mother comes back.
A．when B．until C．after D．so
26．As soon as she arrives at the airport, she ________ you.
A．calls B．called C．is calling D．will call
27．— When shall we go planting trees in the hill —________ it begins to rain, so they don’t need watering.
A．Unless B．While C．Till D．Not until
28．Alice says goodbye to her parents ________ she goes to school every day.
A．because B．after C．before D．so
29．Next month we’re going somewhere interesting as soon as the holiday __________.
A．will begin B．has begun C．begins D．is beginning
30．Never trouble me while I ________ in my room.
A．will sleep B．asleep C．am sleeping D．slept
31．We won’t go back home ________ the rain stops. We now have to stay in the classroom.
A．when B．until C．after
32．David said he would stay here until his mother ________ back.
A．comes B．will come C．came D．would come
33．________ he comes back, I’ll tell him.
A．Where B．How C．When D．What
34．On Saturdays, Jim often plays games _________ it’s very late at night.
A．after B．before C．until
35．The left-behind kids(留守儿童) can’t see their parents ________ the parents come back home from work.
A．but B．until C．of D．if
36．We often took Sam to the beach ________ we lived in the suburbs.
A．if B．so C．when D．after
37．I’d like to express my appreciation to all of my teachers. I ________ great progress since school ________ this term.
A．have made, began B．made, has begun C．have made, has begun D．made, began
38．I ________ the job ________ you helped me.
A．couldn’t finish, when B．couldn’t finish, until C．finished, until
39．Remember ________ an umbrella with you ________ you go outside. It’s going to rain.
A．taking, after B．to take, until C．taking, before D．to take, when
40．I often read books _________ I go to bed.
A．but B．and C．before D．after
41．She will not go to bed ________ she finishes her homework.
A．after B．until C．but
42．On weekends, Li Gang always plays computer games ________ it is very late at night.
A．after B．before C．until D．when
43．_________ I was ten, I _________ a book about stars.
A．Which; get B．What; got C．When; got D．Where; get
44．They didn’t start the meeting ________ the teacher arrived.
A．because B．or C．but D．until
45．I was having dinner _________ someone knocked at the door.
A．when B．before C．after D．while
46．—There is always a smile on your face. Isn’t there any trouble in your life
—Yes, there is. But life is like a mirror. you smile at it, it will smile back.
A．When B．Before C．Until D．After
47．________ you walk along the street, the ice cream shop will be on your right.
A．Before B．As C．Because D．Until
48．—Jack, remember ______ off the lights when _______your bedroom.
----OK, I won’t forget, Mom.
A．turning; leaving B．to turn; leave C．turning; left D．to turn; leaving
49．—Sometimes we don't understand our parents.
—Well, ________ you get older, you will understand them.
A．although B．as
C．since D．until
50．—Did you catch the early bus this morning
—Yes. The bus started to move ________ I got on it.
A．as soon as B．as if C．though D．before
51．I ________ home until I finish my homework.
A．won’t go B．will go C．go D．went
52．I love reading. I must read a book ________ I go to bed every evening.
A．after B．before C．because D．so
53．—It’s 8 p.m.. I must go.
—It’s raining outside. Don’t leave _______ it stops.
A．when B．since C．while D．until
54．— Hello! May I speak to Mike
— Sorry, he’s out. I will ask him to call as soon as he ________ back.
A．will come B．comes C．come D．came
55．________ you go along the river, you’ll see many people fishing.
A．As B．Where C．What D．Which
56．The girl usually does her homework _____ it is very late at night.
A．until B．when C．before D．after
57．The little girl didn’t stop crying ______ she found her mother.
A．after B．until C．because D．when
58．The book was so interesting that he had read it for three hours he realized it.
A．before B．after C．until D．since
59．Tom knew nothing ________________ his friend told him.
A．because B．until C．since D．if
60．I have many family rules. I must do my homework first ________ I get home.
A．and B．but C．when D．or
61．Bob, dinner is ready. Please wash your hands ________ you eat.
A．until B．after C．while D．before
62．She felt more confident _______ she won the speaking competition.
A．until B．while C．before D．after
63．I didn’t know the news ________ you told me. Thank you for telling me that.
A．unless B．though C．until D．while
64．Swimming is, of course, interesting. But ________ we plan to go swimming, being safe must come first.
A．though B．when C．unless
65．—Jim, let’s go out to play basketball.
—Oh, I won’t do that ________ I finish my homework.
A．because B．until C．after D．or
66．We will stay at home ________ the rain stops.
A．after B．when C．until D．because
67．Many people do not realize the importance of health ________ they have fallen ill.
A．since B．until C．while D．after
68．—Can you finish your homework today
—Yes. I ________ to bed tonight until I finish my homework.
A．won’t go B．are going C．didn’t go
69．________ my father gets home, he always makes dinner for me first.
A．What B．Where C．Why D．When
70．He ________ you as soon as he ________ home.
A．will call; arrive B．will call; will arrive C．calls; arrives D．will call; arrives
71．Please close the window ________ you leave home.
A．after B．before C．so D．but
72．What do you usually do when ________
A．you free B．are you free C．you’ll be free D．you’re free
73．—How can I get to the post office
—Go along this street ________ you see Xinhua Bookstore, and then turn left to Renming Road, you will see it behind the Xinhua Bookstore.
A．until B．after C．because
74．________ the lady arrived at the airport, all the people sang songs to welcome her.
A．As soon as B．As well as C．As fast as D．As much as
75．I won’t go to bed ________ my brother comes back.
A．because B．until C．but
76．We should stop and look both ways ________ we cross the road.
A．until B．after C．before
77．He doesn’t get off (下车) the bus ________ he gets to Liyuan Stop.
A．and B．until C．but
78．The girl doesn’t go to bed ________ eleven o’clock every night.
A．until B．when C．after
79．—Her father ________ to work when she was young.
—But now he goes to work by bike.
A．drive B．drives C．is driving D．drove
80．— When shall we begin our meeting
— We’ll begin it when Helen _________.
A．is coming B．came C．will come D．comes
81．Little Jim says good night to his parents _______ he goes to bed every day.
A．between B．after C．before
82．People have to show their health QR codes (健康码) ________ they go into the train station.
A．so B．but C．before
83．The drivers should stop their cars ________ the light is red.
A．when B．so C．and D．until
84．Suddenly a car came and knocked him down ________ he was riding a bike.
A．when B．if C．because D．after
85．Zoe opened the door and rushed into the rain ________ I could stop her.
A．until B．after C．before D．unless
86．Go down the road _________ you get to Baolong Square.
A．but B．or C．until
87．He _________ me a card as soon as he _________ to Japan.
A．will send, will get B．will send, get C．sends, gets D．will send, gets
88．A nurse _____ Carolyn will look after the baby when his mother _____ away.
A．naming; is B．naming; will be C．named; is D．named; will be
89．They were playing soccer on the playground ________ the storm came.
A．as soon as B．as long as C．when D．while
90．Peter was going to school _______ it began to rain, so he had to wear a raincoat.
A．since B．when C．while D．because
91．Mrs. Brown ________ her keys in the office, so she had to wait until her husband ________ home.
A．has left; comes B．had left; came C．had been away; came D．has been away; comes
92．— So many people are standing outside the hall. When will the show begin
— ________ 8 o’clock.
A．For B．Until C．Since D．Not until
93．The students can’t go home ________ they finish cleaning the classroom, for it’s their duty.
A．when B．since C．if D．until
94．Mary is serious about her study.She won't go to bed ________ she finishes all her homework.
A．if B．because C．when D．until
95．I won’t believe that the little boy can read five thousand words ________ I test (测试) him myself.
A．after B．when C．if D．till
96．I want to know when they ________ for Beijing. I will go to the train station to see them off when they ________.
A．leave; will leave B．will leave; leave C．will leave; will leave
97．I was writing a letter at home ________ I heard a knock on the door.
A．while B．when C．but D．as
98．— Could you ask Tom to call me at eight tonight
— OK. I ________ when he _________ back.
A．will let him know; will come B．let him know; will come
C．let him know; comes D．will let him know; comes
99．On weekends, Li Hong always plays computer games ________ it is very late at night.
A．until B．after C．because D．before
100．—Mum, ______ shall we have lunch —We will have it when your dad ______.
A．when；returns B．where；will return
C．where；returns D．when；will return
参考答案：
1．A
【详解】句意：在你妈妈回来之前不要出去。
考查连词辨析。until直到……，引导时间状语从句；or或者，并列连词；after在……之后，引导时间状语从句；根据语境可知本句是“not…until…”句式，意为“直到……才……”。故选A。
2．C
【详解】句意：——太迟了。我得走了。——哦，外面在下雨。你最好在这儿等雨停。
考查连词辨析。but但是；since自从；till直到。根据“Oh, it’s raining outside. You’d better wait here...it stops.”可知，直到雨停再走，故选C。
3．A
【详解】句意：Tony必须在看电视之前做作业。
考查连词辨析。before在……之前；when当……时；because因为；or或者。根据“Tony must do his homework … he watches TV”可知，作业需要在看电视之前完成，故选A。
4．B
【详解】句意：直到他来到这里，他才知道情况有多严重。
考查连词辨析。Because因为；Until直到……为止；After在……之后；Since自从。根据 “he came here”以及主句中否定句no，可知直到他来到了这里，才知道情况有多严重。B选项符合句意，故选B。
5．B
【详解】句意：——你昨晚什么时候睡觉的？——直到我父亲回来我才上床睡觉。
考查连接词的用法。when当……时候；until直到；after在……之后；while当……时，这几个连接词都可以引导时间状语从句。答语中主句是否定形式，“直到我父亲回来我才上床睡觉”，符合not...until...“直到……才……”的表达，故选B。
6．A
【详解】句意：朱迪，睡觉前记得刷牙。
考查连词辨析。before在……之前；after在……之后；because因为。根据“remember to brush your teeth”和常识可知，应该是睡觉“前”刷牙。故选A。
7．C
【详解】句意：李老师一进教室，所有的学生都保持安静。
考查连词辨析。as well as和；so因此；as soon as一……就……；until直到。根据“Miss Li came into the classroom, all the students kept quiet”可知，老师一进教室，学生都安静了，故选C。
8．B
【分析】
【详解】句意：请坚持你的梦想，直到一天你的梦想实现。
考查连词的用法。if如果；until直到；unless除非；though虽然。分析“Please hold on to your dream…one day it comes true.”可知，此处表示直到梦想实现，故选B。
9．D
【详解】句意：他走进房间时没有注意到那条狗。
考查时态。does not notice一般现在时；won' t notice一般将来时；is not noticing现在进行时；did not notice一般过去时；根据“ he went into the room”是一般过去时，结合when的用法，从句一般过去时，主句一般过去时或者过去进行时，再根据选项，可推测出此处是一般过去时，故选D。
10．C
【详解】句意：吃饭前要洗手。它对你的健康有好处。
考查连词辨析。after在……以后；until直到；before在……之前。根据“Wash your hands...you have meals.”结合常识可知，吃饭前要洗手，故选C。
11．A
【详解】句意：——约翰没有停止找工作，直到他得到一个德国公司提供的职位。——他真幸运。现在大学毕业生要找到好工作不容易。
考查连词辨析。 until直到，在……之前； since自从，后跟时间的起点；as 随着，表示动作的伴随；if是否，表示疑问；如果，表示条件。not…until…：直到……才……，是一个固定结构，故选A。
12．D
【详解】试题分析：句意: 直到警察到来，朱莉才离开办公室. A. however然而；B. whenever无论何时；C. while而；D. until直到；根据句意，故选D。
考点：考查副词的用法。
13．C
【详解】句意：自从本出生时起，他一直居住在这里。
考查连词辨析。for为了，因为；when当……时；since自从；from从。since引导时间状语从句时，从句用一般过去时，主句用现在完成时。结合“has lived”以及“was born”，故选C。
14．A
【详解】句意：昨天，我直到11点钟才上床睡觉。
考查固定搭配。until直到；after在……之后；at在；on在……之时。根据“I didn’t go to bed...11 o’clock yesterday.”可知，此处是指直到11点才睡觉。固定短语not...until表示“直到……才”。故选A。
15．C
【详解】句意：当她去看望朋友时，总是带上一份礼物。
考查从属连词辨析。before在……之前；until直到……为止；when当……时；after在……之后。根据“she visits her friends”可知应用when引导时间状语从句，表示“当她去看望朋友时”。故选C。
16．C
【详解】句意：李杰总是打电脑游戏到深夜。
考查连词辨析。after在……之后；before在……之前；until直到。根据“...it is very late at night.”可知此处指直到深夜。故选C。
17．B
【详解】句意：在疫情得到控制之前，福州的学生不会结束在线课程。
考查连词。after在……之后；until直到；but但是；根据“will not end up having their online class（网课）...the outbreak is under control”可知，在线课程不会结束，直到疫情得到控制，故选B。
18．C
【详解】句意：有良好学习习惯的学生总是在与朋友或同学玩耍之前先完成作业。
考查连词辨析。because因为；after在……之后；before在……之前。根据“Students with good learning habits always finish their homework first...they play with friends or classmates.”可知，是在玩之前，先完成作业。用连词before“在……之前”。故选C。
19．C
【详解】句意：沿着这条路走，直到你看到一个大标志，然后你就可以找到银行了。
考查连词辨析。but但是；or或者；until直到。根据“Walk along the road...you see the big sign”可知，要一直走，直到你看到一个大标志，然后就可以看到银行，故选C。
20．A
【详解】句意：李先生这些天很忙，他总是工作到很晚。
考查连词辨析。until直到；before在……之前；after在……之后；when当……时。根据前文“Mr. Li is busy (忙碌) these days”可知，李先生一直工作，直到很晚才不工作，A项符合，故选A。
21．B
【详解】句意：怀特太太经常告诉莫尔在她出去玩之前完成她的作业。
考查连词辨析。so因此；before在……之前；because因为；but但是。根据“Mrs. White often tells Moll to finish her homework...she goes out to play”可知，此处表示在出去玩之前，把作业完成，应用before引导时间状语从句。故选B。
22．A
【详解】句意：当我经过学校礼堂时，学生们正在快乐地跳舞。
考查连词辨析。when当……时；if如果；or或者。根据“The students are dancing happily”和“I pass the school hall.”可知此处引导时间状语从句，故选A。
23．B
【详解】句意：——让我们去打篮球吧！——我想去，但是我妈妈让我在家等她回来。
考查连词辨析。when当……时；till直到；before在……之前；and和。根据“but my mum asks me to wait at home…she comes back”可知，是在家一直等到妈妈回来，故选B。
24．D
【详解】句意：我父亲经常在早上吃早饭前做运动。
考查连词辨析。when当……时；if如果；until直到……；before在……之前；根据“My father often plays sports...he eats breakfast in the morning”及常识可知，应该是早饭之前运动，故选D。
25．B
【详解】句意：李明直到他妈妈回来才睡觉。
考查连词。when当……时；until直到；after在……之后；so因此；根据“doesn’t go to bed”可知，此处是not...until引导的时间状语从句，表示“直到……才”，故选B。
26．D
【详解】句意：她一到机场就会给你打电话。
考查时态。as soon as意为“一……就”，引导时间状语从句，遵循“主将从现”原则，从句是一般现在时，主句为一般将来时。故选D。
27．D
【详解】句意：——我们什么时候去山上植树？——要等到开始下雨，这样它们就不需要浇水了。
考查连词辨析。unless除非；while当……时；till直到；not until直到……才。根据“so they don’t need watering”可知，是直到下雨才去山上种树，故选D。
28．C
【详解】句意：爱丽丝每天上学前都要和父母道别。
考查连词辨析。because因为；after在……之后；before在……之前；so所以。根据“Alice says goodbye to her parents … she goes to school every day.”，可知应该是在每天上学前和父母道别，故选C。
29．C
【详解】句意：下个月假期一开始我们就去有趣的地方。
考查动词的时态。as soon as表示“一……就……”，引导时间状语从句，如果主从句的动作都没有发生，主句用一般将来时，从句用一般现在时。根据时间“Next month”可知主从句动作都没有发生，主句用一般将来时态，所以从句用一般现在时，故选C。
30．C
【详解】句意：我在房间睡觉的时候不要打扰我。
考查动词时态，will sleep一般将来时；asleep睡着的；am sleeping现在进行时；slept过去式。while引导的时间状语从句表示的是在某段时间内延续的动作过程，本题表示的是正在进行的动作，故选C。
31．B
【详解】句意：雨停之前我们不会回家。我们现在必须呆在教室里。
考查连词辨析。when当……时候；until直到；after……以后。根据“We won’t go back home … the rain stops.”可知，直到雨停才回家，not…until…“直到……才……”，是固定搭配，符合语境。故选B。
32．C
【详解】句意：大卫说他将在这儿一直待到他妈妈回来为止。
考查宾语从句时态。如果宾语从句主句是一般过去时，从句也要相应的用过去的某种时态。宾语从句中包含until引导的时间状语从句，时态上遵循“主将从现”原则，因为主句是过去时，所以从句这里要用一般过去时。故选C。
33．C
【详解】句意：当他回来时，我会告诉他。
考查when引导的时间状语从句。where在哪里；how怎样；when当……时候；what什么。根据“he comes back, I’ll tell him”可知，此处指“当……的时候”，用when引导时间状语从句。故选C。
34．C
【详解】句意：在星期六，吉姆经常玩游戏直到很晚。
考查连词辨析。after在……之后；before在……之前；until直到。根据题干“plays games...it is very late at night.”可知前面两项不合语境，这里是说“玩游戏直到深夜”。故选C。
35．B
【详解】句意：直到留守儿童的父母从上班的地方回到家后，他们才能见到自己的父母。
考查连词辨析。but但是，前后句意表转折；until直到，引导时间状语从句；of属于（某人/物），其后通常不加句子；if如果，引导条件状语从句。分析语境可知此处是not...until引导时间状语从句，意为“直到……才”。故选B。
36．C
【详解】句意：我们住在郊区时经常带萨姆去海滩。
考查连词辨析。if如果；so所以；when当……时候；after在……之后。根据“We often took Sam to the beach...we lived in the suburbs.”可知此处是指“当我们住在郊区时，经常带萨姆去海滩”，用when引导时间状语从句。故选C。
37．A
【详解】句意：我想向我所有的老师表达我的感谢。自从开学以来，我已经取得了很大的进步。
考查动词时态。设空所在句是since引导的时间状语从句中，由“this term”可知，从句部分用一般过去时，排除B、C；主句部分用现在完成时，排除D，故选A。
38．B
【详解】句意：直到你帮助我，我才能完成这项工作。
考查not...until结构。when当……时；until直到；not...until直到……才。根据“I...the job...you helped me.”可知，直到你帮助我，我才能完成这项工作。用not...until引导时间状语从句，故选B。
39．D
【详解】句意：外出时记得带把伞。要下雨了。
考查非谓语动词及连词辨析。remember doing sth.“记得做过某事”；remember to do sth.“记得去做某事”。祈使句表提醒，结合“It’s going to rain.”可知带伞的动作还未发生，用动词不定式作宾语。after在……之后；until直到……为止；before在……之前；when当……时候。根据“It’s going to rain.”可知提醒出门的时候带伞，用when引导时间状语从句。故选D。
40．C
【详解】句意：我经常在睡觉前读书。
考查连词。but但是；and并且；before在……之前；after在……后。根据“I often read books…I go to bed.”可知，应该是在睡觉前读书，“before”引导的时间状语从句。故选C。
41．B
【详解】句意：她直到做完作业才去睡觉。
考查连词辨析。after在……之后；until直到；but但是。根据“She will not go to bed...she finishes her homework.”可知，此处是not…until结构，意为“直到……才……”，故选B。
42．C
【详解】句意：在周末，李刚总是玩电脑游戏，直到很晚。
考查从属连词辨析。after在……之后；before在……之前；until直到；when当……时。根据“Li Gang always plays computer games...it is very late at night.”可知，此处指直到深夜。故选C。
43．C
【详解】句意：当我十岁的时候，我得到了一本关于星星的书。
考查时间状语从句和时态。which哪一个；get得到；what什么；got得到（get的过去式）；where哪里；when当……时候。根据“I was ten”为时间点可知，此处应when引导的时间状语从句，表示“当十岁时”，主句句子的时态是一般过去时，应用动词过去式。故选C。
44．D
【详解】句意：直到老师到了，他们才开始会议。
考查从属连词辨析。because因为；or或者；but但是；until直到。结合“They didn’t start the meeting”和“the teacher arrived.”可知，老师到了，我们才开始会议，until引导时间状语从句，此处not...until“直到……才”。故选D。
45．A
【详解】句意：当有人敲门的时候我正在吃完饭。
考查连词辨析。when当……时候；before在……之前；after在……之后；while在……期间。该句表示“当吃饭的时候有人敲门”，从句是一般过去时，和短暂性动词连用，所以用when引导，故选A。
46．A
【详解】句意：-在你的脸上总是带着微笑，你的生活中就没有烦恼吗？-是的，有。但是生活就像一面镜子，当你对它微笑的时候，它也对你微笑。When当…时候；Before在…之前；Until直到…时候；After在…之后。根据句意可知，这里应该是“当…时候”，故应选A。
47．B
【详解】句意：当你沿着街道走的时候，冰淇淋店就在你的右边。
考查时间状语从句。Before在……之前；As当……的时候；because因为；Until直到。根据“…you walk along the street, the ice cream shop will be on your right.”及选项可知指的是“当你沿着街道走的时候”，应填连词As引导时间状语从句，故选B。
48．D
【详解】句意：——杰克，记得离开卧室时把灯关掉。——好吧，妈妈，我不会忘记的。考查非谓语动词。上一句句意：杰克，离开卧室时记得关灯。remember to do sth.记得去做某事（未做）；remember doing sth.记得做过某事（已做）。when doing sth.是省略了主谓语的时间状语从句。故选D。
49．B
【详解】句意：——有时我们不理解我们的父母。——随着你长大，你会理解他们的，
考查从属连词。although虽然；as随着；since自从；until直到。根据句意，可知此处表示“随着”，应该用as引导时间状语从句，故选B。
【点睛】as的常见用法如下：①作为介词，意为“作为”；②作为从属连词引导时间状语从句，意为“随着”；③作为从属连词引导让步状语从句，意为“尽管”，注意要用倒装；④作为从属连词引导方式状语从句，意为“按照，正如”。
50．A
【详解】句意：——今天早上你赶上早班车了吗？——是的。我一上车，公交车就开动了。
考查连词辨析。as soon as一……就；as if似乎；though尽管；before在……之前；根据答语“Yes. The bus started to move…I got on it.”及选项可知，是的。我一上车，公交车就开动了。此处使用as soon as，表示“一……就”符合语境。故选A。
51．A
【详解】句意：我要做完作业才回家。
考查动词时态。until引导的时间状语从句，遵循“主将从现”，主句用一般将来时，排除C和D选项。根据“home until I finish my homework”可知，做完作业才回家，用not…until表示“直到……才”，故选A。
52．B
【详解】句意：我喜欢读书。每天晚上睡觉前我必须读一本书。
考查连词辨析。after在……以后；before在……之前；because因为；so因此；根据“I must read a book...I go to bed every evening.”可知，这是一个时间状语从句，此处使用before引导，睡觉前读书，符合语境。故选B。
53．D
【详解】句意：——现在晚上8点了。我必须走了。——外面下着雨。直到雨停了再离开。
考查连词辨析。when当……时候；since自从；while在……期间；until直到……为止。根据“Don’t leave ...it stops.”可知，此处指“雨停了再走”，not...until...“直到……才……”，固定搭配，until引导的时间状语从句。故选D。
54．B
【详解】句意：——你好！我能和麦克说话吗？——对不起，他出去了。他一回来我就让他给你回电话。
考查时间状语从句。will come用于一般将来时；comes动词第三人称单数，用于一般现在时；come动词原形，用于一般现在时；came动词过去式，用于一般过去时。根据as soon as“一……就……”，可知此句为时间状语从句，主句中will ask可知，主句为一般将来时，故从句要用一般现在时表将来，从句主语为he，动词要用第三人称单数。故选B。
55．A
【详解】句意：当你沿着河走的时候，你会看到许多人在钓鱼。
考查连词辨析。As当……时候；Where在哪里；What什么；Which哪个。此处是指“当你沿着河走的时候”，用as表示“当……时候”，引导时间状语从句。故选A。
56．A
【详解】句意：那位女孩通常做作业做到晚上很晚。考查连词辨析。A. until直到；B. when当……时；C. before在……之前；D. after在……之后。由句意可知做做作业很晚，故选A。
57．B
【详解】句意：那个小女孩直到发现她的妈妈才停止哭。A项，after “在…后面”；B项，until“直到”；C项，because “因为”；D项，when “当…时候”。根据句意，小女孩不停地哭，直到找到她妈妈。not...until... 意为“直到...才”，为固定搭配。故until 符合题意，答案为B。
58．A
【详解】试题分析：句意：这本书是如此的有趣以至于他不知不觉已读了三个小时。即在他意识【he realized it】到之前，就已经读了三个小时。before 在……之前。故选A。
考点：考查时间状语从句中从属连词辨析。
59．B
【详解】句意：汤姆直到他的朋友告诉他才知道一切。A. because因为；B. until直到……才；C. since自从；D. if如果，是否。knew nothing=didn’t know anything，not…until直到……才。结合句意可知，答案为B。
60．C
【详解】句意：我有很多家规。当我到家时，我必须先做作业。
考查when引导的时间状语从句。and并且，和，并列连词；but但是，并列连词；when当……时，从属连词；or或者，并列连词。根据“I get home”可知表示“到家时”应用when引导时间状语从句。故选C。
61．D
【详解】句意：鲍勃，晚饭准备好了。请在吃饭之前洗手。考查连词辨析题。A. until直到……才；B. after在……以后；C. while当……的时候，用于主句和从句动作同时发生；D. before在……以前。根据wash your hands（洗手），结合卫生常识，可知选D。
62．D
【详解】句意：她在演讲比赛中获胜后更加自信了。考查连词。A. until直到；B. while当…时候；C. before在…之前；D. after在…之后。根据She felt more confident ___ she won the speaking competition.可知，应该是她在演讲比赛中获胜后更加自信了，故答案选D。
63．C
【详解】句意：直到你告诉我才知道这个消息，谢谢你告诉我那个。
考查连词辨析。unless除非；though虽然；until直到；while当……时，根据语境以及固定搭配not……until……“直到……才……”，故选C。
64．B
【详解】句意：游泳当然很有趣。但是当我们计划去游泳时，安全必须放在第一位。
考查连词辨析。though尽管；when当……时；unless除非。根据题意“____我们计划去游泳，安全必须放在第一位”，结合选项可知此处用when符合题意，在句中引导时间状语从句。故选B。
65．B
【详解】句意：——吉姆，我们出去打篮球吧。——哦，直到我完成作业了才能去。
考查连词辨析。because因为；until直到；after在……之后；or或者。not…until…“直到……才”，固定搭配，引导时间状语从句。故选B。
66．C
【详解】句意：我们将待在家里直到雨停。
考查连词辨析。after在……之后；when当……时候；until直到；because因为。根据“We will stay at home...the rain stops.”可知此处是指一直待在家里，直到雨停，until符合语境，故选C。
67．B
【详解】句意：许多人直到生病了才意识到健康的重要性。
考查连词辨析。since自从；until直到……为止；while当……时候；after在……之后。根据“Many people do not realize the importance of health”可推出直到生病才意识到健康重要，not ... until“直到……才”，引导时间状语从句。故选B。
68．A
【详解】句意：——你今天能完成家庭作业吗？——是的。今晚我要做完作业才上床睡觉。
考查until引导的时间状语从句。分析句子可知，本句是not…until结构，表示“直到……才”，until引导的时间状语从句遵循主将从现原则，从句为一般现在时，主句用一般将来时。故选A。
69．D
【详解】句意：我爸爸到家时，他总是先给我做晚餐。
考查时间状语从句。What什么；Where哪里；Why为什么；When当……时。“my father gets home”是后一句的时间状语，应用“When”引导。表示“当……的时候”。故选D。
70．D
【详解】句意：他一到家就会给你打电话。
考查时态。本句是as soon as 引导的时间状语从句，要遵循“主将从现”的原则，所以，空格1用一般将来时，空格2用一般现在时，主语he是单数第三人称，谓语动词用单三形式。故选D。
71．B
【详解】句意：离开家之前请把窗户关上。
考查连词辨析。after在……之后；before在……之前；so因此；but但是。根据“Please close the window...you leave home.”可知，离开家之前关窗，故选B。
72．D
【详解】句意：当你空闲的时候，你通常做什么？
考查时间状语从句。根据“What do you usually do when...”可知，此处为“when”引导的时间状语从句。选项A缺少系动词，无法构成系表结构，故排除A；时间状语从句要用陈述语序，故排除B；主句为一般现在时态，从句也用一般现在时态，故排除C。故选D。
73．A
【详解】句意：——我怎么去邮局？—— 沿着这条街走，直到你看到新华书店，然后向左转到人民路，你会在新华书店的后面看到它。
考查连词辨析。until直到；after在……之后；because因为。根据“Go along this street ... you see Xinhua Bookstore, and then turn left to Renming Road...”可知，此处是until引导的时间状语从句，表示“直到”。故选A。
74．A
【详解】句意：这位女士一到机场，所有的人都唱歌欢迎她。
考查连词。As soon as一……就；As well as和；As fast as和……一样快；As much as和……一样多。根据“the lady arrived at the airport, all the people sang songs to welcome her.”可知，此处为主从复合句，从句和主句之间为时间关系，使用As soon as引导时间状语从句。故选A。
75．B
【详解】句意：直到我弟弟回来我才睡觉。
考查连词辨析。because因为；until直到；but但是。根据“I won’t go to bed...my brother comes back.”可知，此处是“not...until...”结构，意为“直到……才”，用until引导时间状语从句，故选B。
76．C
【详解】句意：在我们穿过马路之前，我们应该停下来并观望两边。
考查连词词义辨析。until直到；after在……之后；before在……之前。根据“We should stop and look both ways”和“we cross the road”可知应是在过马路之前停下来仔细观察路况。故选C。
77．B
【详解】句意：他直到梨园站才下公共汽车。
考查连词辨析。and并且；until直到；but但是。根据“He doesn’t get off (下车) the bus…he gets to Liyuan Stop.”可知，他直到梨园站才下车，此处应用“not…until…”表示“直到……才……”。故选B。
78．A
【详解】句意：女孩每天晚上十一点才睡觉。
考查连词辨析。until直到；when当……时候；after在……之后。分析句子可知，此处是结构“not...until”，此处表示“直到十一点才睡觉”。故选A。
79．D
【详解】句意：——她年轻时，她父亲开车去上班。——但是现在他骑自行车去上班。
考查时态。when引导时间状语从句，从句“when she was young”是一般过去时，主句也应为一般过去时，谓语动词用过去式drove。故选D。
80．D
【详解】句意：——我们什么时候开始开会？ ——海伦来了我们就开始。
考查动词时态。根据英语语法，在when引导的时间状语从句中，主句为一般将来时，则从句应用一般现在时表将来。故选D。
81．C
【详解】句意：小吉姆每天睡觉前都要向父母道晚安。
考查时间状语从句。between在……之间；after在……之后；before在……之前。根据“Little Jim says good night to his parents... he goes to bed every day.”可知，小吉姆在睡觉之前和父母道晚安。故选C。
82．C
【详解】句意：人们在进入火车站前必须出示自己的健康二维码。
考查连词辨析。so因此；but但是；before在……之前。根据“People have to show their health QR codes (健康码)...they go into the train station.”可知，先出示健康码，再进入车站。用before引导时间状语从句，故选C。
83．A
【详解】句意：当红灯亮时，司机应该停车。
考查连词辨析。when当……时候；so所以；and和；until直到。根据“The drivers should stop their cars ... the light is red.”及常识可知红灯亮时，司机应该停车。故选A。
84．A
【详解】句意：他正在骑自行车，突然一辆汽车来了，把他撞倒了。
考查连词辨析。when当……时；if 如果；because因为；after在……之后。根据“he was riding a bike”可知，当一件事情发生的时候，另一件事也发生了，用when引导时间状语从句。故选A。
85．C
【详解】句意：佐伊打开门，在我阻止她之前冲进了雨中。
考查连词辨析。until直到；after在……之后；before在……之前；unless除非。根据“rushed into the rain… I could stop her”可知，在阻止她之前冲进了雨中，故选C。
86．C
【详解】句意：沿着这条路一直走到宝龙广场。
考查连词辨析。but但是；or或者；until直到。根据“Go down the road...you get to Baolong Square.”可知要沿着这条路一直走，才能到宝龙广场。故选C。
87．D
【详解】句意：他一到日本就会寄给我一张卡片。
考查主将从现。根据“He ... me a card as soon as he ... to Japan.”可知，该句是as soon as引导的时间状语从句，遵循“主将从现”，即主句用一般将来时，从句用一般现在时；从句主语为“he”，谓语动词要用第三人称单数。故选D。
88．C
【详解】句意：当他妈妈离开的时候，一个叫Carolyn的护士将会照顾这个婴儿。
考查过去分词和时间状语从句。第一空“nurse”与“name”之间是动宾关系，用过去分词短语作后置定语，因此第一空是named；第二空在“when”引导的时间状语从句中，主句般用一般将来时，从句用一般现在时，主语“his mother”是单数形式，要用is，故选C。
89．C
【详解】句意：暴风雨来临时，他们正在操场上踢足球。
考查时间状语从句。as soon as一……就……；as long as只要；when当……时，表示主句的动作和从句的动作同时或先后发生，when引导的从句谓语动词是短暂性或延续性动词；while与……同时，表示两个动作同时进行，while引导的从句，谓语动词是延续性动词。根据题干从句 “ the storm came.”可知谓语动词是短暂性动词，结合句意，所以用when。故选C。
90．B
【详解】句意：彼得正要去上学时，天开始下雨了，所以他不得不穿雨衣。
考查连词辨析。since因为；when当……时；while当……时；because因为。根据“Peter was going to school ...it began to rain”可知，是上学时天下雨了，began是短暂性动词，而while从句后要接延续性动词。故选B。
91．B
【详解】句意：Brown太太已经把钥匙落在办公室了，所以她必须等她丈夫回来。
考查时态。leave遗留，be away离开，come回来。根据“she had to...”以及所给的选项词汇可知，Brown太太丢钥匙动作发生在这之前，所以应用过去完成时，应用had left，表示“已经丢了”。再结合“she had to wait until her husband...home.”可知，此处应用一般过去时，所以用came，表示“直到他回来”。故选B。
92．D
【详解】句意：——这么多人站在大厅外面。演出什么时候开始？——直到8点（才开始）。
考查连词辨析。for后接时间段，与现在完成时连用；until直到；since自从，与现在完成时连用；not until直到才。根据“will”可知，优先排除A和C选项。begin是短暂性动词，not until可以与短暂性动词一起连用，而until是与持续性动词一起连用，故选D。
93．D
【详解】句意：学生们直到打扫完教室才能回家，因为这是他们的职责。
考查连词辨析。when当……时候；since自从；if如果；until直到，not ... until直到……才。分析语境可知，本题考查固定搭配not ... until“直到……才”，表达“学生们直到打扫完教室才能回家”。故选D。
94．D
【详解】试题分析：句意：Mary对学习很认真，她直到完成作业才上床睡觉。直到---才是not---until。故选D。
95．D
【详解】句意：在我亲自测试之前，我不会相信这个小男孩能阅读五千字。
考查连词辨析。after“在……之后”；when“在……时候”；if“如果”；till“直到……为止”。根据“I won’t believe that the little boy can read five thousand words ... I test (测试) him myself.”可知，我不会相信这个小男孩能读五千字，直到我亲自测试了他；till符合题意，故选D。
96．B
【详解】句意：我想知道他们什么时候动身去北京。他们离开时，我要去火车站为他们送行。
考查动词时态。第一空所在句是when引导的宾语从句，主句是一般现在时，从句时态不受限制，结合“when they ... for Beijing”可知，离开的动作还未发生，所以用一般将来时（will do）；第二空所在句是when引导的时间状语从句，根据“主将从现”原则可知，空处用一般现在时，主语是they，动词用原形。故选B。
97．B
【详解】句意：我正在家写信这时我听到敲门声。
考查连词辨析。while当……时候，与……同时，引导从句动作必须是延续性动词；when当……时候，在那时，可表示一个动作正在进行时，突然另一个动作发生了；but但是；as当……时，随着。根据语境可知，本题应考查sb. was/were doing when sb. did sth表示“某人正在做某事突然发生另一件事”。故选B。
98．D
【详解】句意：——你能让汤姆今晚八点打电话给我吗？———好的。他回来时我会告诉他的。
考查时间状语从句。根据“when”可知，是时间状语从句，遵循主将从现原则，故选D。
99．A
【详解】句意：周末，李红总是玩电脑游戏，直到深夜。
考查连词。until直到；after在……之后；because因为；before在……之前。根据“Li Hong always plays computer games…it is very late at night.”可知，李红玩电脑游戏直到深夜，用until引导时间状语从句。故选A。
100．A
【详解】句意：——妈妈，我们将在什么时间吃午饭？——当你的爸爸回来了，我们就吃午饭。
考查疑问词及时间状语从句。第一空根据后文“when”可知提问的是时间，故第一个空用when； when“当……”引导的是时间状语从句，主句用将来时，从句用一般现在时，故选A。
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专题13 重点语法时间状语从句百题练（语法全掌握）（学生版）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．Don’t go out ________ your mother comes home.
A．until B．or C．after
2．—It’s too late. I have to go now.
—Oh, it’s raining outside. You’d better wait here ________ it stops.
A．but B．since C．till
3．Tony must do his homework ________ he watches TV.
A．before B．when C．because D．or
4．________ he came here, he had no ideas how serious the situation was.
A．Because B．Until C．After D．Since
5．—When did you go to bed last night
—I didn’t go to bed ________ my father came back.
A．when B．until C．after D．while
6．Judy, remember to brush your teeth ________ you go to bed.
A．before B．after C．because
7．________ Miss Li came into the classroom, all the students kept quiet.
A．As well as B．So C．As soon as D．Until
8．Please hold on to your dream _____ one day it comes true.
A．if B．until
C．unless D．though
9．He ________ the dog when he went into the room.
A．does not notice B．won't notice C．is not noticing D．did not notice
10．Wash your hands ________ you have meals. It is good for your health.
A．after B．until C．before
11．—John didn’t stop looking for a job _________ he got an offer from a German company.
—Lucky him. It’s not easy for university graduates to get a good job now.
A．until B．since C．as D．if
12．Julie didn’t leave her office _____ the police arrived.
A．however B．whenever C．while D．until
13．Ben has lived here _________ he was born.
A．for B．when C．since D．from
14．I didn’t go to bed ________ 11 o’clock yesterday.
A．until B．after C．at D．on
15．She always brings a present ________ she visits her friends.
A．before B．until C．when D．after
16．Li Jie always plays computer games ________ it is very late at night.
A．after B．before C．until
17．The students in Fuzhou will not end up having their online class（网课）________ the outbreak is under control（疫情得到控制）.
A．after B．until C．but
18．Students with good learning habits always finish their homework first ________ they play with friends or classmates.
A．because B．after C．before
19．Walk along the road ________ you see the big sign, then you can find the bank.
A．but B．or C．until
20．Mr. Li is busy (忙碌) these days, and he always works ________ it is very late at night.
A．until B．before C．after D．when
21．Mrs. White often tells Moll to finish her homework ________ she goes out to play.
A．so B．before C．because D．but
22．The students are dancing happily ________ I pass the school hall.
A．when B．if C．or
23．—Let's play basketball!
—I'd love to, but my mum asks me to wait at home she comes back.
A．when B．till
C．before D．and
24．My father often plays sports ________ he eats breakfast in the morning.
A．when B．if C．until D．before
25．Li Ming doesn’t go to bed ________ his mother comes back.
A．when B．until C．after D．so
26．As soon as she arrives at the airport, she ________ you.
A．calls B．called C．is calling D．will call
27．— When shall we go planting trees in the hill —________ it begins to rain, so they don’t need watering.
A．Unless B．While C．Till D．Not until
28．Alice says goodbye to her parents ________ she goes to school every day.
A．because B．after C．before D．so
29．Next month we’re going somewhere interesting as soon as the holiday __________.
A．will begin B．has begun C．begins D．is beginning
30．Never trouble me while I ________ in my room.
A．will sleep B．asleep C．am sleeping D．slept
31．We won’t go back home ________ the rain stops. We now have to stay in the classroom.
A．when B．until C．after
32．David said he would stay here until his mother ________ back.
A．comes B．will come C．came D．would come
33．________ he comes back, I’ll tell him.
A．Where B．How C．When D．What
34．On Saturdays, Jim often plays games _________ it’s very late at night.
A．after B．before C．until
35．The left-behind kids(留守儿童) can’t see their parents ________ the parents come back home from work.
A．but B．until C．of D．if
36．We often took Sam to the beach ________ we lived in the suburbs.
A．if B．so C．when D．after
37．I’d like to express my appreciation to all of my teachers. I ________ great progress since school ________ this term.
A．have made, began B．made, has begun C．have made, has begun D．made, began
38．I ________ the job ________ you helped me.
A．couldn’t finish, when B．couldn’t finish, until C．finished, until
39．Remember ________ an umbrella with you ________ you go outside. It’s going to rain.
A．taking, after B．to take, until C．taking, before D．to take, when
40．I often read books _________ I go to bed.
A．but B．and C．before D．after
41．She will not go to bed ________ she finishes her homework.
A．after B．until C．but
42．On weekends, Li Gang always plays computer games ________ it is very late at night.
A．after B．before C．until D．when
43．_________ I was ten, I _________ a book about stars.
A．Which; get B．What; got C．When; got D．Where; get
44．They didn’t start the meeting ________ the teacher arrived.
A．because B．or C．but D．until
45．I was having dinner _________ someone knocked at the door.
A．when B．before C．after D．while
46．—There is always a smile on your face. Isn’t there any trouble in your life
—Yes, there is. But life is like a mirror. you smile at it, it will smile back.
A．When B．Before C．Until D．After
47．________ you walk along the street, the ice cream shop will be on your right.
A．Before B．As C．Because D．Until
48．—Jack, remember ______ off the lights when _______your bedroom.
----OK, I won’t forget, Mom.
A．turning; leaving B．to turn; leave C．turning; left D．to turn; leaving
49．—Sometimes we don't understand our parents.
—Well, ________ you get older, you will understand them.
A．although B．as
C．since D．until
50．—Did you catch the early bus this morning
—Yes. The bus started to move ________ I got on it.
A．as soon as B．as if C．though D．before
51．I ________ home until I finish my homework.
A．won’t go B．will go C．go D．went
52．I love reading. I must read a book ________ I go to bed every evening.
A．after B．before C．because D．so
53．—It’s 8 p.m.. I must go.
—It’s raining outside. Don’t leave _______ it stops.
A．when B．since C．while D．until
54．— Hello! May I speak to Mike
— Sorry, he’s out. I will ask him to call as soon as he ________ back.
A．will come B．comes C．come D．came
55．________ you go along the river, you’ll see many people fishing.
A．As B．Where C．What D．Which
56．The girl usually does her homework _____ it is very late at night.
A．until B．when C．before D．after
57．The little girl didn’t stop crying ______ she found her mother.
A．after B．until C．because D．when
58．The book was so interesting that he had read it for three hours he realized it.
A．before B．after C．until D．since
59．Tom knew nothing ________________ his friend told him.
A．because B．until C．since D．if
60．I have many family rules. I must do my homework first ________ I get home.
A．and B．but C．when D．or
61．Bob, dinner is ready. Please wash your hands ________ you eat.
A．until B．after C．while D．before
62．She felt more confident _______ she won the speaking competition.
A．until B．while C．before D．after
63．I didn’t know the news ________ you told me. Thank you for telling me that.
A．unless B．though C．until D．while
64．Swimming is, of course, interesting. But ________ we plan to go swimming, being safe must come first.
A．though B．when C．unless
65．—Jim, let’s go out to play basketball.
—Oh, I won’t do that ________ I finish my homework.
A．because B．until C．after D．or
66．We will stay at home ________ the rain stops.
A．after B．when C．until D．because
67．Many people do not realize the importance of health ________ they have fallen ill.
A．since B．until C．while D．after
68．—Can you finish your homework today
—Yes. I ________ to bed tonight until I finish my homework.
A．won’t go B．are going C．didn’t go
69．________ my father gets home, he always makes dinner for me first.
A．What B．Where C．Why D．When
70．He ________ you as soon as he ________ home.
A．will call; arrive B．will call; will arrive C．calls; arrives D．will call; arrives
71．Please close the window ________ you leave home.
A．after B．before C．so D．but
72．What do you usually do when ________
A．you free B．are you free C．you’ll be free D．you’re free
73．—How can I get to the post office
—Go along this street ________ you see Xinhua Bookstore, and then turn left to Renming Road, you will see it behind the Xinhua Bookstore.
A．until B．after C．because
74．________ the lady arrived at the airport, all the people sang songs to welcome her.
A．As soon as B．As well as C．As fast as D．As much as
75．I won’t go to bed ________ my brother comes back.
A．because B．until C．but
76．We should stop and look both ways ________ we cross the road.
A．until B．after C．before
77．He doesn’t get off (下车) the bus ________ he gets to Liyuan Stop.
A．and B．until C．but
78．The girl doesn’t go to bed ________ eleven o’clock every night.
A．until B．when C．after
79．—Her father ________ to work when she was young.
—But now he goes to work by bike.
A．drive B．drives C．is driving D．drove
80．— When shall we begin our meeting
— We’ll begin it when Helen _________.
A．is coming B．came C．will come D．comes
81．Little Jim says good night to his parents _______ he goes to bed every day.
A．between B．after C．before
82．People have to show their health QR codes (健康码) ________ they go into the train station.
A．so B．but C．before
83．The drivers should stop their cars ________ the light is red.
A．when B．so C．and D．until
84．Suddenly a car came and knocked him down ________ he was riding a bike.
A．when B．if C．because D．after
85．Zoe opened the door and rushed into the rain ________ I could stop her.
A．until B．after C．before D．unless
86．Go down the road _________ you get to Baolong Square.
A．but B．or C．until
87．He _________ me a card as soon as he _________ to Japan.
A．will send, will get B．will send, get C．sends, gets D．will send, gets
88．A nurse _____ Carolyn will look after the baby when his mother _____ away.
A．naming; is B．naming; will be C．named; is D．named; will be
89．They were playing soccer on the playground ________ the storm came.
A．as soon as B．as long as C．when D．while
90．Peter was going to school _______ it began to rain, so he had to wear a raincoat.
A．since B．when C．while D．because
91．Mrs. Brown ________ her keys in the office, so she had to wait until her husband ________ home.
A．has left; comes B．had left; came C．had been away; came D．has been away; comes
92．— So many people are standing outside the hall. When will the show begin
— ________ 8 o’clock.
A．For B．Until C．Since D．Not until
93．The students can’t go home ________ they finish cleaning the classroom, for it’s their duty.
A．when B．since C．if D．until
94．Mary is serious about her study.She won't go to bed ________ she finishes all her homework.
A．if B．because C．when D．until
95．I won’t believe that the little boy can read five thousand words ________ I test (测试) him myself.
A．after B．when C．if D．till
96．I want to know when they ________ for Beijing. I will go to the train station to see them off when they ________.
A．leave; will leave B．will leave; leave C．will leave; will leave
97．I was writing a letter at home ________ I heard a knock on the door.
A．while B．when C．but D．as
98．— Could you ask Tom to call me at eight tonight
— OK. I ________ when he _________ back.
A．will let him know; will come B．let him know; will come
C．let him know; comes D．will let him know; comes
99．On weekends, Li Hong always plays computer games ________ it is very late at night.
A．until B．after C．because D．before
100．—Mum, ______ shall we have lunch —We will have it when your dad ______.
A．when；returns B．where；will return
C．where；returns D．when；will return
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