【期中考点培优】专题07 句子转换（含答案解析）-2025-2026学年八年级英语上册期中复习考点培优北师大版（2024）
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| 名称 | 【期中考点培优】专题07 句子转换（含答案解析）-2025-2026学年八年级英语上册期中复习考点培优北师大版（2024） |  | |
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/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
2025-2026学年八年级英语上册期中复习考点培优北师大版（2024）专题07 句型转换
学校:___________姓名：___________班级：___________考号：___________
1．The Olympic Games are held every four years. (对划线部分提问)
are the Olympic Games held
2．James lied to me about his homework. (改为否定句)
James to me about his homework.
3．Nancy’s school is smaller than Tomoya’s. (改为同义句)
Nancy’s school is Tomoya’s.
4．The big box isn’t as heavy as the small one. (改为同义句)
The small box is the big one.
5．Betty is slimmer than any other girl in her class. (改为同义句)
Betty is girl in her class.
6．Nancy’s school has fewer students than most schools. (改为同义句)
Most schools have than Nancy’s school.
7．If you study harder, you’ll get better grades. (改为同义句)
The you study, the grades you’ll get.
8．Learning Chinese is more difficult than learning German. (改为同义句)
Learning Chinese learning German.
9．She is good at dancing. (改为同义句)
She .
She dancing.
10．Last night, I didn’t watch TV. Instead, I did my homework.(改为同义句)
Last night, I did my homework watching TV.
11．Peter can’t speak French as well as Tom. (改为同义句)
Tom French than Peter.
12．We have 8 weeks off for the summer holiday and they only have six.
They for the summer holiday than we do.
13．Our school is serious about life education so we set up many classes about it. (改为同义句)
Our school life education so we set up many classes about it.
14．They continued working after lunch. (同义句转化)
They working after lunch.
15．The next Olympic Games will be held in Rio de Janeriro in 2016. (保持句意不变)
The next Olympic Games will in Rio de Janeriro in 2016.
16．Nick went somewhere quiet with his family during the National Day holiday. (改为否定句)
Nick didn’t quiet with his family during the National Day holiday.
17．Nelly drank something cold after running yesterday. (变为否定句)
Nelly drink cold after running yesterday.
18．Everyone seemed to be happy. (改为否定句)
seemed to be happy.
19．Justin went somewhere wonderful last vacation. (改为否定句)
Justin go wonderful last vacation.
20．I went somewhere special last holiday. (改为否定句)
I special last holiday.
21．The man stole an expensive watch from the shop. (改为否定句)
The man an expensive watch from the shop.
22．Karen sent her articles to magazines and newspapers. (改为否定句)
Karen her articles to magazines or newspapers.
23．They stole the valuable painting last night. (改为一般疑问句)
they the valuable painting last night
24．He went somewhere warm last winter vacation. (改为一般疑问句)
he go warm last winter vacation
25．You must wear a helmet. (改为否定句 )
You wear a helmet.
26．Riding a bike is good for you. (改为一般疑问句 )
riding a bike good for you
27．Stop at zebra crossings. (改为否定祈使句)
stop at zebra crossings.
28．I checked the computer carefully and found nothing wrong. (改为同义句)
I checked the computer carefully and find wrong.
29．You must follow the rules of safe cycling. (改为同义句)
You must the rules of safe cycling.
30．Don’t turn without using hand signals. (改为同义句)
Don’t turn you use hand signals.
31．Use cycle paths if you can. (改为同义句)
you can, use cycle paths.
32．Safety comes first. (改为同义句)
Safety is .
33．Don’t ride on the sidewalk. (改为同义句)
You ride on the sidewalk.
34．You should lock your bike when you’re not using it. (对划线部分进行提问)
What you when you’re not using it
35．You should check your bike before you ride. （对划线部分提问）
What you before you ride
36．We should treat animals with love and kindness. (对划线部分提问)
How we animals
37．Lucy was taking photos. A bird flew into the camera. (this morning) ( 用 when 或 while 合并)
38．My family was having dinner. The lights went out suddenly. (last Friday) (用when或while合并)
39．Mike was waiting for the bus. He saw an old man fall down. (yesterday afternoon) (用when或while合并)
40．I was doing my homework. My best friend called me. (last night) (用when或while合并)
41．Jack is 170 centimeters tall. Jack’s brother is 170 centimeters tall, too. (用as…as合并为一句)
.
42．I was watching TV when my mother came in. （用while替换）
I was TV, my mother came in.
43．I was watching TV at the time of the rainstorm. (对划线部分提问)
you watching TV
44．I didn’t do anything meaningful last year. (改为同义句)
I meaningful last year.
45．She didn’t say anything at the meeting. (同义句)
She at the meeting.
46．Tim used to draw in the art room. (改为反意疑问句)
Tim used to draw in the art room,
47．Tom used to be a quiet boy.（改为否定句）
Tom a quiet boy.
48．I visit my uncle once a week. (对划线部分提问)
do you visit your uncle
49．I used to take a walk in the morning. (对划线部分提问)
you to in the morning
50．Tom is the most hard-working student in our class. (改为同义句)
Tom is than the other students in our class.
/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)
参考答案及试题解析
1．How often
【解析】句意：奥运会每四年举行一次。划线部分为“every four years”，这里是提问频率，用疑问词组how often来提问，主语是“the Olympic Games”，谓语动词是“are held”（一般现在时的被动语态结构）。故填How；often。
2．didn’t lie
【解析】句意：詹姆斯在作业上对我撒了谎。句子为一般过去式，改为否定句需要借助didn’t，助动词后用动词原形，lied的原形是lie。故填didn’t；lie。
3．not as/so big as
【解析】句意：Nancy的学校比Tomoya的小。此处可表述为“Nancy的学校不如Tomoya的大”， “not as/so…as…”表示“不如……”，big“大的”。故填not；as/so；big；as。
4．heavier than
【解析】句意：这个大箱子不如那个小箱子重。原句“not as heavy as”表示“不如……重”，即“大箱子不如小箱子重”，也可表达为“小箱子比大箱子重”，用形容词比较级heavier than表示“比……重”。故填heavier；than。
5．the slimmest
【解析】句意：贝蒂比班上其他女生都要瘦。改成同义句，句子可以表达为“贝蒂是她班里最瘦的女孩”，应用形容词最高级；“slim”的最高级是“slimmest”，最高级前面加定冠词the。故填the；slimmest。
6．more students
【解析】句意：南希的学校比大多数学校的学生少。其同义句表示“大多数学校比南希的学校的学生多”，用more ... than“比……更多”，more后跟名词复数students“学生”。故填more；students。
7．harder better
【解析】句意：如果你学习更努力，你就会取得更好的成绩。根据“If you study harder, you’ll get better grades.”可知，原句是由“if”引导的条件状语从句，表达“努力学习”与“取得好成绩”之间的条件关系。同义句可借助“the+比较级，the+比较级”的固定句型，表示“越……，就越……”，前面“study harder”对应“the harder you study”，“harder”是“hard”的比较级；后面“get better grades”对应“the better grades you’ll get”，“better”是“good”的比较级。故填harder；better。
8．isn’t as/so easy as
【解析】句意：学习中文比学习德语更难。“Learning Chinese is more difficult than learning German.”和“Learning Chinese isn’t as/so easy as learning German.”都表示学习中文不如学习德语容易。“not as/so...as...”是固定结构，意为“不如……”，中间用形容词原级。故填isn’t；as/so；easy；as。
9．likes dancing does well in
【解析】句意：她擅长跳舞。原句“be good at”表示“擅长”，其同义表达有多种。第一种“likes dancing”中，“like doing sth.”表示“喜欢做某事”，这里用“喜欢跳舞”从另一个角度表达出和“擅长跳舞”相近的意思，因为通常喜欢做的事可能会比较擅长。第二种“does well in dancing”中，“do well in”是固定短语，意思是“在……方面做得好”，和“be good at”意思一致，所以“does well in dancing”和原句意思相同。故填likes；dancing；does；well；in。
10．instead of
【解析】句意：昨晚我没看电视，相反，我做了作业。“instead of”是固定短语，意为“代替；而不是”，后接名词、代词或动名词等。这里用“instead of watching TV”，就和原句“didn’t watch TV. Instead, I did my homework”意思一致，都是说做了作业而不是看电视。故填instead；of。
11．speaks better
【解析】句意：彼得的法语说得不如汤姆好。根据“Peter can’t speak French as well as Tom.”可知，彼得的法语说得不如汤姆好，即Tom说法语比Peter更好，speak French“说法语”，well的比较级形式是better。句子用一般现在时，主语是“Tom”，谓语动词speak用三单形式speaks。故填speaks；better。
12．have fewer weeks off
【解析】句意：我们暑假有8周，他们只有6周。本句为一般现在时，可改写为“他们的暑假比我们的暑假周数少”。have weeks off“有几周的假期”；因“weeks”是可数名词复数，修饰可数名词复数的“更少”需用“fewer”。故填have；fewer；weeks；off。
13．takes seriously
【解析】句意：我们学校对终身教育很重视，所以我们设置了很多相关的课程。be serious about“对……很认真，严肃”，其同义表达是take...seriously。主语“Our school”是单数，故谓语动词用三单形式。故填takes；seriously。
14．went on
【解析】句意：午饭后他们继续工作。原句中continue doing“继续做某事”可改为go on doing“继续做某事”，根据“continued”可知，原句时态为一般过去时，因此改写后的句子也应用一般过去时，go的过去式为went。故填went；on。
15．take place
【解析】句意：下一次奥运会将在2016年被举行在里约热内卢。hold“举行、举办”，take place“发生，举行”，与其同义，而take place没有被动语态，且由“will”可知此处应用动词原形，故填take；place。
16．go anywhere
【解析】句意：国庆节期间，Nick和他的家人去了安静的地方。原句的时态是一般过去时，改为否定句，需要借助助动词didn’t，went用原形go；somewhere变成anywhere。故填go anywhere。
17．didn’t anything
【解析】句意：内莉昨天跑步后喝了一些冷的东西。原句是一般过去时，谓语动词是行为动词drank，改为否定句时，应在动词原形drink前添加助动词的否定形式didn’t；something在否定句中应改为anything。故填didn’t；anything。
18．No one/Nobody
【解析】句意：每个人似乎都很开心。原句为肯定句，谓语动词是seemed（seem的过去式），要将句子改为否定句，原句中主语是everyone，表示“每个人”，其否定意义对应的表达是no one或nobody，表示“没有人”，谓语动词形式保持不变，其他部分也保持不变。故填No one/Nobody。
19．didn’t anywhere
【解析】句意：贾斯汀上个假期去了一个很棒的地方。根据“went ”可知，原句是一般过去时，动词是实义动词，变成否定句要借助助动词did，与not缩写成didn’t，somewhere用于肯定句中，否定句、疑问句要变成anywhere。故填didn’t；anywhere。
20．didn’t go anywhere
【解析】句意：上个假期我去了一个特别的地方。go“去”，为实义动词，结合“last holiday”可知，该句是一般过去时，改为否定句，需借助助动词didn’t，接动词原形，原句中的somewhere需改为anywhere，用于否定句中。故填didn’t；go；anywhere。
21．didn’t steal
【解析】句意：那个男人从商店偷了一块昂贵的手表。原句为肯定句，谓语动词是stole（steal的过去式），改为否定句时需借助助动词didn’t，并将原句的谓语动词恢复为原形steal，其他部分保持不变。故填didn’t；steal。
22．didn’t send
【解析】句意：凯伦把她的文章投给了杂志和报纸。原句是一般过去时，且含有实义动词，改为否定句时，要借助助动词“didn’t”，后跟动词原形“send”。故填didn’t；send。
23．Did steal
【解析】句意：他们昨晚偷了那幅珍贵的画。原句是一般过去时，改为一般疑问句时，要借助助动词Did，放在句首，后面的实义动词steal要用原形。故填Did；steal。
24．Did anywhere
【解析】句意：他去年寒假去了某个温暖的地方。原句时态是一般过去时，went是实义动词，一般疑问句需借助助动词did，置于主语之前，后接实义动词用原形go；somewhere用于肯定句，疑问句需改为anywhere。故填Did；anywhere。
25．mustn’t
【解析】句意：你必须戴头盔。根据原句可知，该句变否定句时只需要在must后加not即可，其缩写形式是mustn’t。故填mustn’t。
26．Is
【解析】句意：骑自行车对你有益处。根据题目要求，改为一般疑问句，be动词is提前放在主语前，其他不变，首字母大写。故填Is。
27．Don’t
【解析】句意：在斑马线前停下来。原句是以动词原形开头的祈使句，改为否定句时，只需在句首加Don’t，其他保持不变。故填Don’t。
28．didn’t anything
【解析】句意：我仔细检查了电脑，没有发现任何问题。原句中“found nothing wrong”表示“没有发现任何问题”，nothing意为“没有什么”，表示否定意义。在改为同义句时，需要使用具有否定意义的结构来表达相同的意思，可以使用“didn’t find anything wrong”，其中didn’t是did not的缩写，表示否定，anything用于否定句中表示“任何东西”。故填didn’t；anything。
29．keep to following
【解析】句意：你必须遵守安全骑车的规则。根据分析句子可知，该句变同义句，可以用keep to following替换follow即可，keep to“坚持”，动词短语，to是介词，后跟动名词following。故填keep；to；following。
30．unless
【解析】句意：不打手势信号就不要转弯。同义句可表述为“除非你使用手势信号，否则不要转弯”，unless“除非”符合语境。故填unless。
31．If
【解析】句意：如果可以，请使用自行车车道。原句结构“主句+if引导的条件状语从句”；根据题目要求，改为同义句，结构为“If引导的条件状语从句，主句”。根据所给句子可知，此处填If“如果”。故填If。
32．the first
【解析】句意：安全第一。根据“Safety is…”，此处应该填入first，作表语，意为“第一”符合句意，且序数词前要加定冠词the。故填the；first。
33．shouldn’t/can’t/mustn’t
【解析】句意：不要在人行道上骑车。同义句可表述为“你不应该/不能/不得在人行道上骑车”，shouldn’t“不应该”、can’t“不能”、mustn’t“不得”均符合语境。故填shouldn’t/can’t/mustn’t。
34．should do
【解析】划线部分是“lock your bike”，用于询问对方不用自行车时应该做什么，对动作内容提问用“What...do”结构，原句有情态动词“should”，其特殊疑问句结构为“特殊疑问词+should+主语+do+其他”，所以第一空填“should”，第二空填“do”。 故填should；do。
35．should do
【解析】句意：你骑车前应该检查一下你的自行车。划线部分为动作，提问时用“what...do”，情态动词should位于主语之前。故填should；do。
36．should treat
【解析】句意：我们应该用爱和仁慈对待动物。针对方式状语提问时，需将疑问词how置于句首，把原句助动词should放在主语前，接动词原形treat“对待”。故填should；treat。
37．While Lucy was taking photos this morning, a bird flew into the camera./A bird flew into the camera while Lucy was taking photos this morning.
【解析】句意：露西正在拍照。一只鸟飞进了相机。此处可表述为“今天早上露西在拍照时，一只鸟飞进了相机”，“was taking photos”表示一个持续进行的过程，而非瞬间完成的行为，应用while引导时间状语从句，从句可放置句首或句末。故填While Lucy was taking photos this morning, a bird flew into the camera./A bird flew into the camera while Lucy was taking photos this morning.
38．While my family was having dinner last Friday, the lights went out suddenly./The lights went out suddenly while my family was having dinner last Friday./My family was having dinner last Friday when the lights went out suddenly./When the lights went out suddenly, my family was having dinner last Friday.
【解析】句意：我的家人正在吃晚餐。灯突然灭了。要求用when或while合并两句，并加上时间状语last Friday。while引导的时间状语从句多用进行时态，而when引导时间状语从句，主句用过去进行时，从句应用一般过去时，故填While my family was having dinner last Friday, the lights went out suddenly./The lights went out suddenly while my family was having dinner last Friday./My family was having dinner last Friday when the lights went out suddenly./When the lights went out suddenly, my family was having dinner last Friday.
39．When Mike was waiting for the bus yesterday afternoon, he saw an old man fall down. /Mike saw an old man fall down when he was waiting for the bus yesterday afternoon.
【解析】句意：迈克正在等公交车。他看见一位老人摔倒了。when引导的时间状语从句，主从句动作可以是一个延续，一个短暂，Mike was waiting for the bus是延续性动作，saw an old man fall down是短暂性动作，可以用when来连接。故填When Mike was waiting for the bus yesterday afternoon, he saw an old man fall down. /Mike saw an old man fall down when he was waiting for the bus yesterday afternoon.
40．I was doing my homework when my best friend called me last night./While I was doing my homework, my best friend called me last night.
【解析】句意：我正在做作业。我最好的朋友打来了电话。when和while都表示“当……的时候”。when强调某个时间点发生的动作，朋友打电话是瞬间动作。while强调两个动作同时进行，“做作业”是持续动作，“打电话”是穿插动作。故填I was doing my homework when my best friend called me last night./While I was doing my homework, my best friend called me last night.
41．Jack is as tall as his brother.
【解析】句意：杰克身高170 厘米。杰克的哥哥也有170厘米高。这两句可表达为“杰克和他哥哥一样高”，基本句型为“主语+ be动词+as+形容词+as+比较对象”，tall“高的”，形容词作表语，故填Jack is as tall as his brother.
42．While watching
【解析】句意：我正在看电视，这时我妈妈进来了。将when改为while引导时间状语从句，从句用过去进行时，强调在过去的某个时间点动作正在发生，故填While；watching。
43．When were
【解析】句意：暴风雨来的时候我正在看电视。划线部分at the time of the rainstorm表示“暴风雨来的时候”，是时间状语，应用when“什么时候”提问；原句为过去进行时，其疑问句需将be动词was提到主语前，且主语由I变为you，be动词相应改为were。故填When；were。
44．did nothing
【解析】句意：去年我没有做任何有意义的事。“didn’t do anything”等同于“did nothing”，两者都表示“什么都没做”。故填did；nothing。
45．said nothing
【解析】句意：她在会上什么也没说。not...anything和nothing“没有什么”均表示完全否定，两者可互换使用。say“说”，时态为一般过去时，此处用动词过去式。故填said；nothing。
46．didn’t he
【解析】句意：蒂姆过去常常在美术室画画。当陈述句是肯定形式时，反意部分需用否定形式；原句“Tim used to draw in the art room.”是肯定句，因此反意部分应用否定；短语“used to”表示“过去常常”，为一般过去时，肯定陈述句的反意部分用助动词didn’t，Tim是男性，助动词后跟人称代词he。故填didn’t；he。
47．didn’t use to be
【解析】句意：Tom过去是一个安静的男孩。这个题目考查used to do sth.这个句型的否定形式，应用助动词did构成，在did后加not，used变为原形use。故填didn’t；use；to；be。
48．How often
【解析】句意：我每周去看望我的叔叔一次。根据划线部分“once a week”可知，是对频率的提问，应用how often，位于句首的单词首字母要大写，故填How；often。
49．What did use do
【解析】句意：我过去常在早上散步。划线部分“take a walk”表示做的事情，应用疑问词what进行提问，位于句首，首字母要大写；句子时态为一般过去时，used是实义动词，变疑问句，应借助助动词did，其后接动词原形use，主语由第一人称I变为第二人称you，其他部分保持不变。故填What；did；use；do。
50．more hard-working
【解析】句意：汤姆是我们班最勤奋的学生。原句是最高级句式，改为同义句，需转换为比较级句式，即“汤姆比班里其他所有学生都更勤奋”，hard-working的比较级形式是more hard-working。故填more；hard-working。
21世纪教育网(www.21cnjy.com)
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/ 让学习更有效 期中备考培优 | 英语学科
2025-2026学年八年级英语上册期中复习考点培优北师大版（2024）专题07 句型转换
学校:___________姓名：___________班级：___________考号：___________
1．The Olympic Games are held every four years. (对划线部分提问)
are the Olympic Games held
2．James lied to me about his homework. (改为否定句)
James to me about his homework.
3．Nancy’s school is smaller than Tomoya’s. (改为同义句)
Nancy’s school is Tomoya’s.
4．The big box isn’t as heavy as the small one. (改为同义句)
The small box is the big one.
5．Betty is slimmer than any other girl in her class. (改为同义句)
Betty is girl in her class.
6．Nancy’s school has fewer students than most schools. (改为同义句)
Most schools have than Nancy’s school.
7．If you study harder, you’ll get better grades. (改为同义句)
The you study, the grades you’ll get.
8．Learning Chinese is more difficult than learning German. (改为同义句)
Learning Chinese learning German.
9．She is good at dancing. (改为同义句)
She .
She dancing.
10．Last night, I didn’t watch TV. Instead, I did my homework.(改为同义句)
Last night, I did my homework watching TV.
11．Peter can’t speak French as well as Tom. (改为同义句)
Tom French than Peter.
12．We have 8 weeks off for the summer holiday and they only have six.
They for the summer holiday than we do.
13．Our school is serious about life education so we set up many classes about it. (改为同义句)
Our school life education so we set up many classes about it.
14．They continued working after lunch. (同义句转化)
They working after lunch.
15．The next Olympic Games will be held in Rio de Janeriro in 2016. (保持句意不变)
The next Olympic Games will in Rio de Janeriro in 2016.
16．Nick went somewhere quiet with his family during the National Day holiday. (改为否定句)
Nick didn’t quiet with his family during the National Day holiday.
17．Nelly drank something cold after running yesterday. (变为否定句)
Nelly drink cold after running yesterday.
18．Everyone seemed to be happy. (改为否定句)
seemed to be happy.
19．Justin went somewhere wonderful last vacation. (改为否定句)
Justin go wonderful last vacation.
20．I went somewhere special last holiday. (改为否定句)
I special last holiday.
21．The man stole an expensive watch from the shop. (改为否定句)
The man an expensive watch from the shop.
22．Karen sent her articles to magazines and newspapers. (改为否定句)
Karen her articles to magazines or newspapers.
23．They stole the valuable painting last night. (改为一般疑问句)
they the valuable painting last night
24．He went somewhere warm last winter vacation. (改为一般疑问句)
he go warm last winter vacation
25．You must wear a helmet. (改为否定句 )
You wear a helmet.
26．Riding a bike is good for you. (改为一般疑问句 )
riding a bike good for you
27．Stop at zebra crossings. (改为否定祈使句)
stop at zebra crossings.
28．I checked the computer carefully and found nothing wrong. (改为同义句)
I checked the computer carefully and find wrong.
29．You must follow the rules of safe cycling. (改为同义句)
You must the rules of safe cycling.
30．Don’t turn without using hand signals. (改为同义句)
Don’t turn you use hand signals.
31．Use cycle paths if you can. (改为同义句)
you can, use cycle paths.
32．Safety comes first. (改为同义句)
Safety is .
33．Don’t ride on the sidewalk. (改为同义句)
You ride on the sidewalk.
34．You should lock your bike when you’re not using it. (对划线部分进行提问)
What you when you’re not using it
35．You should check your bike before you ride. （对划线部分提问）
What you before you ride
36．We should treat animals with love and kindness. (对划线部分提问)
How we animals
37．Lucy was taking photos. A bird flew into the camera. (this morning) ( 用 when 或 while 合并)
38．My family was having dinner. The lights went out suddenly. (last Friday) (用when或while合并)
39．Mike was waiting for the bus. He saw an old man fall down. (yesterday afternoon) (用when或while合并)
40．I was doing my homework. My best friend called me. (last night) (用when或while合并)
41．Jack is 170 centimeters tall. Jack’s brother is 170 centimeters tall, too. (用as…as合并为一句)
.
42．I was watching TV when my mother came in. （用while替换）
I was TV, my mother came in.
43．I was watching TV at the time of the rainstorm. (对划线部分提问)
you watching TV
44．I didn’t do anything meaningful last year. (改为同义句)
I meaningful last year.
45．She didn’t say anything at the meeting. (同义句)
She at the meeting.
46．Tim used to draw in the art room. (改为反意疑问句)
Tim used to draw in the art room,
47．Tom used to be a quiet boy.（改为否定句）
Tom a quiet boy.
48．I visit my uncle once a week. (对划线部分提问)
do you visit your uncle
49．I used to take a walk in the morning. (对划线部分提问)
you to in the morning
50．Tom is the most hard-working student in our class. (改为同义句)
Tom is than the other students in our class.
/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
21世纪教育网(www.21cnjy.com)
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参考答案及试题解析
1．How often
【解析】句意：奥运会每四年举行一次。划线部分为“every four years”，这里是提问频率，用疑问词组how often来提问，主语是“the Olympic Games”，谓语动词是“are held”（一般现在时的被动语态结构）。故填How；often。
2．didn’t lie
【解析】句意：詹姆斯在作业上对我撒了谎。句子为一般过去式，改为否定句需要借助didn’t，助动词后用动词原形，lied的原形是lie。故填didn’t；lie。
3．not as/so big as
【解析】句意：Nancy的学校比Tomoya的小。此处可表述为“Nancy的学校不如Tomoya的大”， “not as/so…as…”表示“不如……”，big“大的”。故填not；as/so；big；as。
4．heavier than
【解析】句意：这个大箱子不如那个小箱子重。原句“not as heavy as”表示“不如……重”，即“大箱子不如小箱子重”，也可表达为“小箱子比大箱子重”，用形容词比较级heavier than表示“比……重”。故填heavier；than。
5．the slimmest
【解析】句意：贝蒂比班上其他女生都要瘦。改成同义句，句子可以表达为“贝蒂是她班里最瘦的女孩”，应用形容词最高级；“slim”的最高级是“slimmest”，最高级前面加定冠词the。故填the；slimmest。
6．more students
【解析】句意：南希的学校比大多数学校的学生少。其同义句表示“大多数学校比南希的学校的学生多”，用more ... than“比……更多”，more后跟名词复数students“学生”。故填more；students。
7．harder better
【解析】句意：如果你学习更努力，你就会取得更好的成绩。根据“If you study harder, you’ll get better grades.”可知，原句是由“if”引导的条件状语从句，表达“努力学习”与“取得好成绩”之间的条件关系。同义句可借助“the+比较级，the+比较级”的固定句型，表示“越……，就越……”，前面“study harder”对应“the harder you study”，“harder”是“hard”的比较级；后面“get better grades”对应“the better grades you’ll get”，“better”是“good”的比较级。故填harder；better。
8．isn’t as/so easy as
【解析】句意：学习中文比学习德语更难。“Learning Chinese is more difficult than learning German.”和“Learning Chinese isn’t as/so easy as learning German.”都表示学习中文不如学习德语容易。“not as/so...as...”是固定结构，意为“不如……”，中间用形容词原级。故填isn’t；as/so；easy；as。
9．likes dancing does well in
【解析】句意：她擅长跳舞。原句“be good at”表示“擅长”，其同义表达有多种。第一种“likes dancing”中，“like doing sth.”表示“喜欢做某事”，这里用“喜欢跳舞”从另一个角度表达出和“擅长跳舞”相近的意思，因为通常喜欢做的事可能会比较擅长。第二种“does well in dancing”中，“do well in”是固定短语，意思是“在……方面做得好”，和“be good at”意思一致，所以“does well in dancing”和原句意思相同。故填likes；dancing；does；well；in。
10．instead of
【解析】句意：昨晚我没看电视，相反，我做了作业。“instead of”是固定短语，意为“代替；而不是”，后接名词、代词或动名词等。这里用“instead of watching TV”，就和原句“didn’t watch TV. Instead, I did my homework”意思一致，都是说做了作业而不是看电视。故填instead；of。
11．speaks better
【解析】句意：彼得的法语说得不如汤姆好。根据“Peter can’t speak French as well as Tom.”可知，彼得的法语说得不如汤姆好，即Tom说法语比Peter更好，speak French“说法语”，well的比较级形式是better。句子用一般现在时，主语是“Tom”，谓语动词speak用三单形式speaks。故填speaks；better。
12．have fewer weeks off
【解析】句意：我们暑假有8周，他们只有6周。本句为一般现在时，可改写为“他们的暑假比我们的暑假周数少”。have weeks off“有几周的假期”；因“weeks”是可数名词复数，修饰可数名词复数的“更少”需用“fewer”。故填have；fewer；weeks；off。
13．takes seriously
【解析】句意：我们学校对终身教育很重视，所以我们设置了很多相关的课程。be serious about“对……很认真，严肃”，其同义表达是take...seriously。主语“Our school”是单数，故谓语动词用三单形式。故填takes；seriously。
14．went on
【解析】句意：午饭后他们继续工作。原句中continue doing“继续做某事”可改为go on doing“继续做某事”，根据“continued”可知，原句时态为一般过去时，因此改写后的句子也应用一般过去时，go的过去式为went。故填went；on。
15．take place
【解析】句意：下一次奥运会将在2016年被举行在里约热内卢。hold“举行、举办”，take place“发生，举行”，与其同义，而take place没有被动语态，且由“will”可知此处应用动词原形，故填take；place。
16．go anywhere
【解析】句意：国庆节期间，Nick和他的家人去了安静的地方。原句的时态是一般过去时，改为否定句，需要借助助动词didn’t，went用原形go；somewhere变成anywhere。故填go anywhere。
17．didn’t anything
【解析】句意：内莉昨天跑步后喝了一些冷的东西。原句是一般过去时，谓语动词是行为动词drank，改为否定句时，应在动词原形drink前添加助动词的否定形式didn’t；something在否定句中应改为anything。故填didn’t；anything。
18．No one/Nobody
【解析】句意：每个人似乎都很开心。原句为肯定句，谓语动词是seemed（seem的过去式），要将句子改为否定句，原句中主语是everyone，表示“每个人”，其否定意义对应的表达是no one或nobody，表示“没有人”，谓语动词形式保持不变，其他部分也保持不变。故填No one/Nobody。
19．didn’t anywhere
【解析】句意：贾斯汀上个假期去了一个很棒的地方。根据“went ”可知，原句是一般过去时，动词是实义动词，变成否定句要借助助动词did，与not缩写成didn’t，somewhere用于肯定句中，否定句、疑问句要变成anywhere。故填didn’t；anywhere。
20．didn’t go anywhere
【解析】句意：上个假期我去了一个特别的地方。go“去”，为实义动词，结合“last holiday”可知，该句是一般过去时，改为否定句，需借助助动词didn’t，接动词原形，原句中的somewhere需改为anywhere，用于否定句中。故填didn’t；go；anywhere。
21．didn’t steal
【解析】句意：那个男人从商店偷了一块昂贵的手表。原句为肯定句，谓语动词是stole（steal的过去式），改为否定句时需借助助动词didn’t，并将原句的谓语动词恢复为原形steal，其他部分保持不变。故填didn’t；steal。
22．didn’t send
【解析】句意：凯伦把她的文章投给了杂志和报纸。原句是一般过去时，且含有实义动词，改为否定句时，要借助助动词“didn’t”，后跟动词原形“send”。故填didn’t；send。
23．Did steal
【解析】句意：他们昨晚偷了那幅珍贵的画。原句是一般过去时，改为一般疑问句时，要借助助动词Did，放在句首，后面的实义动词steal要用原形。故填Did；steal。
24．Did anywhere
【解析】句意：他去年寒假去了某个温暖的地方。原句时态是一般过去时，went是实义动词，一般疑问句需借助助动词did，置于主语之前，后接实义动词用原形go；somewhere用于肯定句，疑问句需改为anywhere。故填Did；anywhere。
25．mustn’t
【解析】句意：你必须戴头盔。根据原句可知，该句变否定句时只需要在must后加not即可，其缩写形式是mustn’t。故填mustn’t。
26．Is
【解析】句意：骑自行车对你有益处。根据题目要求，改为一般疑问句，be动词is提前放在主语前，其他不变，首字母大写。故填Is。
27．Don’t
【解析】句意：在斑马线前停下来。原句是以动词原形开头的祈使句，改为否定句时，只需在句首加Don’t，其他保持不变。故填Don’t。
28．didn’t anything
【解析】句意：我仔细检查了电脑，没有发现任何问题。原句中“found nothing wrong”表示“没有发现任何问题”，nothing意为“没有什么”，表示否定意义。在改为同义句时，需要使用具有否定意义的结构来表达相同的意思，可以使用“didn’t find anything wrong”，其中didn’t是did not的缩写，表示否定，anything用于否定句中表示“任何东西”。故填didn’t；anything。
29．keep to following
【解析】句意：你必须遵守安全骑车的规则。根据分析句子可知，该句变同义句，可以用keep to following替换follow即可，keep to“坚持”，动词短语，to是介词，后跟动名词following。故填keep；to；following。
30．unless
【解析】句意：不打手势信号就不要转弯。同义句可表述为“除非你使用手势信号，否则不要转弯”，unless“除非”符合语境。故填unless。
31．If
【解析】句意：如果可以，请使用自行车车道。原句结构“主句+if引导的条件状语从句”；根据题目要求，改为同义句，结构为“If引导的条件状语从句，主句”。根据所给句子可知，此处填If“如果”。故填If。
32．the first
【解析】句意：安全第一。根据“Safety is…”，此处应该填入first，作表语，意为“第一”符合句意，且序数词前要加定冠词the。故填the；first。
33．shouldn’t/can’t/mustn’t
【解析】句意：不要在人行道上骑车。同义句可表述为“你不应该/不能/不得在人行道上骑车”，shouldn’t“不应该”、can’t“不能”、mustn’t“不得”均符合语境。故填shouldn’t/can’t/mustn’t。
34．should do
【解析】划线部分是“lock your bike”，用于询问对方不用自行车时应该做什么，对动作内容提问用“What...do”结构，原句有情态动词“should”，其特殊疑问句结构为“特殊疑问词+should+主语+do+其他”，所以第一空填“should”，第二空填“do”。 故填should；do。
35．should do
【解析】句意：你骑车前应该检查一下你的自行车。划线部分为动作，提问时用“what...do”，情态动词should位于主语之前。故填should；do。
36．should treat
【解析】句意：我们应该用爱和仁慈对待动物。针对方式状语提问时，需将疑问词how置于句首，把原句助动词should放在主语前，接动词原形treat“对待”。故填should；treat。
37．While Lucy was taking photos this morning, a bird flew into the camera./A bird flew into the camera while Lucy was taking photos this morning.
【解析】句意：露西正在拍照。一只鸟飞进了相机。此处可表述为“今天早上露西在拍照时，一只鸟飞进了相机”，“was taking photos”表示一个持续进行的过程，而非瞬间完成的行为，应用while引导时间状语从句，从句可放置句首或句末。故填While Lucy was taking photos this morning, a bird flew into the camera./A bird flew into the camera while Lucy was taking photos this morning.
38．While my family was having dinner last Friday, the lights went out suddenly./The lights went out suddenly while my family was having dinner last Friday./My family was having dinner last Friday when the lights went out suddenly./When the lights went out suddenly, my family was having dinner last Friday.
【解析】句意：我的家人正在吃晚餐。灯突然灭了。要求用when或while合并两句，并加上时间状语last Friday。while引导的时间状语从句多用进行时态，而when引导时间状语从句，主句用过去进行时，从句应用一般过去时，故填While my family was having dinner last Friday, the lights went out suddenly./The lights went out suddenly while my family was having dinner last Friday./My family was having dinner last Friday when the lights went out suddenly./When the lights went out suddenly, my family was having dinner last Friday.
39．When Mike was waiting for the bus yesterday afternoon, he saw an old man fall down. /Mike saw an old man fall down when he was waiting for the bus yesterday afternoon.
【解析】句意：迈克正在等公交车。他看见一位老人摔倒了。when引导的时间状语从句，主从句动作可以是一个延续，一个短暂，Mike was waiting for the bus是延续性动作，saw an old man fall down是短暂性动作，可以用when来连接。故填When Mike was waiting for the bus yesterday afternoon, he saw an old man fall down. /Mike saw an old man fall down when he was waiting for the bus yesterday afternoon.
40．I was doing my homework when my best friend called me last night./While I was doing my homework, my best friend called me last night.
【解析】句意：我正在做作业。我最好的朋友打来了电话。when和while都表示“当……的时候”。when强调某个时间点发生的动作，朋友打电话是瞬间动作。while强调两个动作同时进行，“做作业”是持续动作，“打电话”是穿插动作。故填I was doing my homework when my best friend called me last night./While I was doing my homework, my best friend called me last night.
41．Jack is as tall as his brother.
【解析】句意：杰克身高170 厘米。杰克的哥哥也有170厘米高。这两句可表达为“杰克和他哥哥一样高”，基本句型为“主语+ be动词+as+形容词+as+比较对象”，tall“高的”，形容词作表语，故填Jack is as tall as his brother.
42．While watching
【解析】句意：我正在看电视，这时我妈妈进来了。将when改为while引导时间状语从句，从句用过去进行时，强调在过去的某个时间点动作正在发生，故填While；watching。
43．When were
【解析】句意：暴风雨来的时候我正在看电视。划线部分at the time of the rainstorm表示“暴风雨来的时候”，是时间状语，应用when“什么时候”提问；原句为过去进行时，其疑问句需将be动词was提到主语前，且主语由I变为you，be动词相应改为were。故填When；were。
44．did nothing
【解析】句意：去年我没有做任何有意义的事。“didn’t do anything”等同于“did nothing”，两者都表示“什么都没做”。故填did；nothing。
45．said nothing
【解析】句意：她在会上什么也没说。not...anything和nothing“没有什么”均表示完全否定，两者可互换使用。say“说”，时态为一般过去时，此处用动词过去式。故填said；nothing。
46．didn’t he
【解析】句意：蒂姆过去常常在美术室画画。当陈述句是肯定形式时，反意部分需用否定形式；原句“Tim used to draw in the art room.”是肯定句，因此反意部分应用否定；短语“used to”表示“过去常常”，为一般过去时，肯定陈述句的反意部分用助动词didn’t，Tim是男性，助动词后跟人称代词he。故填didn’t；he。
47．didn’t use to be
【解析】句意：Tom过去是一个安静的男孩。这个题目考查used to do sth.这个句型的否定形式，应用助动词did构成，在did后加not，used变为原形use。故填didn’t；use；to；be。
48．How often
【解析】句意：我每周去看望我的叔叔一次。根据划线部分“once a week”可知，是对频率的提问，应用how often，位于句首的单词首字母要大写，故填How；often。
49．What did use do
【解析】句意：我过去常在早上散步。划线部分“take a walk”表示做的事情，应用疑问词what进行提问，位于句首，首字母要大写；句子时态为一般过去时，used是实义动词，变疑问句，应借助助动词did，其后接动词原形use，主语由第一人称I变为第二人称you，其他部分保持不变。故填What；did；use；do。
50．more hard-working
【解析】句意：汤姆是我们班最勤奋的学生。原句是最高级句式，改为同义句，需转换为比较级句式，即“汤姆比班里其他所有学生都更勤奋”，hard-working的比较级形式是more hard-working。故填more；hard-working。
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