英语高中情态动词练习题及解析
英语高中情态动词练习题及解析
一、单项选择情态动词
1．Lack of sleep _______ lead to weakened immunity and memory, and also slow physical growth.
A．shall B．must C．should D．can
【答案】D
【解析】
【详解】
考查情态动词辨析。句意：睡眠不足会导致免疫力和记忆力下降，还会减缓身体发育。A. shall将；B. must必须；C. should应该；D. can会，表示理论上或是逻辑判断上，用can，故选D。
2．—I don’t really like Janes. Why did you invite him?
—Don’t worry. He come. He said he was’t certain what his plans were.
A．must not B．need not C．would not D．might not
【答案】D
【解析】
考察情态动词，题干中的he wasn’t certain说明他可能不来，可能来，因此使用不完全否定，might not。
3．I still find it hard to imagine that such a clever child __________ make such a foolish mistake. A．shall B．must
C．can D．should
【答案】D
【解析】
【详解】
考查情态动词。句意：我仍然难以想象这样聪明的孩子竟然犯这样愚蠢的错误。should 作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为"竟会"、"居然"，这么聪明的孩子竟然犯这样愚蠢的错误。表示意外，shall表示允诺，命令等，must表示必须，can表示能力及可能性。所以答案选D。
4．My sister met him in the street yesterday afternoon, so he ______ your lecture. A．shouldn’t have attended B．couldn’t have attended
C．mustn’t have attended D．needn’t have attended
【答案】B
【解析】
试题分析：考查情态动词用法。S houldn’t have done本不应该做某事，实际上却做了（虚拟语气）；couldn’t have done不可能做某事（对过去情况的推测）；needn’t have done本不需要做某事，实际上却做了（虚拟语气）；句意：我的姐姐昨天下午在街上遇见了他，
所以他不可能去听了你的演讲。故B正确。
考点：考查情态动词用法
点评：考本题是高考必考考点，一定要牢记句型意思。must have done过去肯定做了某事。should have done 本应该做而实际未做。can’t have done 过去不可能做了某事；shouldn’t have done 本不应该做而实际做了。 need have done 本有必要做某事；needn’t have done 本没有必要做某事；注意没有mustn’t have done的形式。
5．The weather turned out to be fine. I _____________ the trouble to carry the umbrella with me.
A．should have taken B．must have taken
C．couldn't have taken D．needn't have taken
【答案】D
【解析】
【详解】
考查情态动词 + have done。句意：天气转晴了。我本不必费心把伞带在身边。A. should have taken本应该做某事，而实际上没做； B. must have taken对过去发生的事情的肯定猜测；C. couldn't have taken不可能；D. needn't have taken本来不需要，故选D。
6．---Can I pay the bill by credit card?
---Sorry, sir. But it is the management rules of our hotel that payment ______________ be made in cash.
A．shall B．need
C．will D．must
【答案】A
【解析】
【详解】
考查情态动词词义辨析。A. shall用于法律法规或条文中，表示义务、规定等；B. need需要；C. will会；D. must必须。句意：——我能用信用卡支付么？——对不起，先生，现金支付是我们酒店的管理规定。故A项正确。
7．Mark ______ have hurried. After driving at top speed, he arrived half an hour early. A．needn’t B．wouldn’t C．mustn’t D．couldn’t
【答案】A
【解析】
考查情态动词。need’t have done 本不必要做某事，句意：迈克本不必要着急的。他以全速驾驶后，他早到了半个小时。wouldn’t不会，mustn’t禁止，couldn’t不可能，所以选A。
8．I love the weekend, because I ________ get up early on Saturdays and Sundays. A．mustn’t B．needn’t
C．wouldn’t D．shouldn’t
【答案】B
【解析】
【详解】
考查情态动词。句意：我喜欢周末，因为周六周日不必早起。A. mustn’t不能，禁止；B. needn’t不必；C. wouldn’t不会；D. shouldn’t不应该。此处表示“不必”，故B项正确。
9．Traveling by subway ______ sometimes be quite an adventure, especially during the rush hour.
A．must B．can C．shall D．should
【答案】B
【解析】
【详解】
考查情态动词。句意：乘地铁旅行有时可能相当冒险，尤其是在交通高峰期。A. must必须；一定；B. can能够；可能；C. shall将会；D. should应该；应当。本句中can表示客观可能性（客观原因形成的能力），故选B。
10．—What’s wrong with you?
—Oh, I am sick. I ________ so much ice cream just now.
A．shouldn’t eat B．mustn’t eat
C．couldn’t have eaten D．shouldn’t have eaten
【答案】D
【解析】
【详解】
考查情态动词和虚拟语气。句意：——你怎么了？——我生病了，我刚才不应该吃那么多冰激凌。A. shouldn’t eat不应该吃；B. mustn’t eat禁止吃；C. couldn’t have eaten不可能吃；D. shouldn’t have eaten本来不应该吃。根据just now可知，是发生在过去，故选D。
11．—I feel a little nervous.
—Take it easy. You __________ have difficulty passing the exam when you have prepared for it well.
A．mustn’t B．needn’t C．may not D．shouldn’t
【答案】D
【解析】
【详解】
考查情态动词。句意：——我觉得有点紧张。——不要着急。当你准备充分时，通过考试应该不会有困难。A. mustn’t禁止，不允许；B. needn’t不必；C. may not可能不会；D. shouldn’t不应该。结合句意可知答案为D。
12．The professor warned the students that on no account ________ use mobile phones in his class.
A．should they B．they should
C．dare they D．they dare
【答案】A
【解析】
【详解】
考查部分倒装和情态动词。句意：这位教授警告学生们，在他的课堂上，决不应该使用手机。on no account意为“决不”，否定词放在句首，句子使用部分倒装，排除B、D项；这里表示应该，故选A。
13．— Mum, little Ray broke his toys again!
—It doesn't matter. You see, accidents _____happen.
A．shall B．should C．must D．will
【答案】D
【解析】
【详解】
考查情态动词辨析。句意：——妈妈，小雷又弄坏了他的玩具。——没事的，你看，意外总会发生。A. shall将要，会；B. should应当；C. must必须；D. will总是。Will可以表示习惯，意思为“惯于，总是”。故D选项正确。
【点睛】
will/would是情态动词，其表达的意思如下。
(1)表示意志或意愿：决心，愿意，……好吗?
We will do our best to save the child. 我们会尽力抢救这个孩子。
I told her to s top crying, but she just wouldn’t listen. 我叫她别哭，可她就是不愿听。
注：表示请求、建议或征求对方意见时，用Would you…? 比用Will you…?更婉转。如：Will/Would you please keep the door open? 请让门开着好吗?
Will/Would you go with me? 你愿意和我一起去吗?
(2)表示真理或习惯：惯于，总是。如：
Oil will float on water. 油总是浮在水面上。
She will listen to music alone in her room for hours. 她独自在房间里听音乐，一听往往就是几小时。
He would get up early when he lived in the country. 他住在乡下时总是早起。
(3)表示要求：一定，必须。如：
You will report to me afterward. 你稍后一定要向我报告。
(4)表示猜测：可能，大概。如：
This will be the house you’re looking for.这大概就是你找的那所房子了。
(5)表示功能：能。如：
This auditorium will/would seat one thousand people. 这个礼堂能容纳一千人
分析句子可知，本句中的will表示习惯，意思为“惯于，总是”且符合语境。故D选项正确。
14．He is a bad-tempered fellow, but he ________ be quite charming when he wishes. A．shall B．should
C．can D．must
【答案】C
【解析】
【详解】
考查情态动词辨析。句意：他是个脾气不好的家伙，但当他希望自己有魅力的时候，他可以变得相当可爱。此处表示“能、可以”，故C项正确。
15．It has been announced that all the candidates ___________ remain in their seats until all the papers have been collected.
A．shall B．could
C．would D．ought
【答案】A
【解析】
【详解】
考查情态动词用法。句意：据宣布，所有的候选人都要坐在位置上，直到所有的试卷都被收齐。根据句意可知本句是考试规则，情态动词shall可以表示“按照规则/规定/法律要做
的事情”，符合本句语境。故A项正确。
16．It is really cold and the ground is wet; it ________ have rained last night.
A．might B．must
C．can D．should
【答案】B
【解析】
【详解】
考查情态动词辨析。句意：天气很冷而且地面是湿的，昨晚一定下了雨。根据上文the ground is wet可知，“昨晚下了雨”是肯定的，故用must have done“必定做了……”表示对过
去十分有把握的推测，故选B。
【点睛】
must have done用法辨析
must have done：表示对过去的肯定的逻辑推测，推定某件事情、动作或状态可能在过去发生过（存在过）。
He must have been a doctor, for he knows medicine so well. 他过去肯定是一位医生，他对医学如此了解。
Somebody must have stolen the ring. 肯定有人偷了这枚戒指. [该句所推断的偷窃动作发生在
过去.]
The temperature must have dropped to below zero last night, because the water is frozen all over.昨夜的温度肯定降到零度以下，因为水都冻住了。
如果“must + have + 过去分词”句型与by now连用，还可以表示对现在完成的动作和状态的肯定推测，但实质上还是指所推测的过去的动作。例如：
They started early this morning; they must have arrived by now. 他们今晨很早就出发了，现在肯定已经到了。
中国学生的常见病句是：They...; they certainly have arrived.病句的句义是“他们当然已经到
达了。”（这不是对过去的肯定推测，而是断定动作已经完成。）
17．Ann said whenever her father was unhappy he ________ go out and buy something, usually something large and useless.
A．should B．could
C．would D．might
【答案】C
【解析】
【详解】
考查情态动词。句意：安说无论什么时候她父亲不高兴的时候，他就会出去买些东西，通常是一些又大又没用的东西。A. should应该；B. could能；C. would总是，愿意；D. might 可能。此处表示过去经常习惯做某事，故选C。
18．—I have something important to tell John. But I can’t fi nd him.
—His cell phone is here, so he ________ have gone too far.
A．mustn’t B．needn’t
C．wouldn’t D．can’t
【答案】D
【解析】
【详解】
考查情态动词。句意：——我有重要的事情要告诉John，但是我找不到他。——他的手机在这儿，所以他不可能走得太远。根据句意可知，此处是对过去的一种猜测，此处是表达不可能……，用can’t have done。故选D。
19．It_____ have been Tom that parked the car here, as he is the only one with a car.
A．may B．can C．must D．should
【答案】C
【解析】
【详解】
考查情态动词表猜测的用法。句意：一定是汤姆把车停在这儿的，因为他是唯一有车的人。A. may可能；B. can可能；C. must一定；D. should应该。由as he is the only one with a
car.可知一定是他把车停在这里的，非常有把握的肯定推测，故选C。
20．The principal in our school has recently passed a rule that students _______ wear school uniforms in our campus.
A．may B．should C．will D．shall
【答案】D
【解析】
【详解】
考查情态动词。句意：我们学校的校长最近通过了一项规定，要求学生在校园里穿校服。分析句子可知，“that students _______ wear school uniforms in our campus.”是同位语从句对名词“rule”内容解释说明。当表示强制，用于法令、条约、规章中，意为“必须，应该”等时句子用情态动词shall。故选D。
【点睛】
情态动词shall的用法：
1、在主语是第一、三人称的疑问句中征求对方意见：要不要……？……好吗？如：Shall we go? 该走了吧?
2、用于二、三人称，在陈述句中表示说话者给对方的承诺、决心、警告、威胁等。如：You shall borrow the book。你可以借这本书。
3、表示强制，用于法令、条约、规章中，意为“必须，应该”。例如本小题，分析句子可知，“that students _______ wear school uniforms in our campus.”是同位语从句对名词“rule”内容解释说明。当表示强制，用于法令、条约、规章中，意为“必须，应该”等时句子用情态动词shall。故选D。
21．—Are you going on a holiday after the exam?
—Well, I haven’t decided yet. I ________ find some other choices.
A．would B．might C．must D．should
【答案】B
【解析】
【详解】
考查情态动词辨析。句意：——考试后你要去度假吗?——嗯，我还没有决定。我可能会发现一些其他的选择。A. would将会；B. might可能；C. must必须；D. should应该。根据上文“ I haven't decided yet”可推断，我可能还有别的选择，表示可能性，might符合语境，故选B。
22．I ______my examination easily but I made too many stupid mistakes.
A．should pass B．could have passed
C．had passed D．must have passed
【答案】B
【解析】
【详解】
考查情态动词+have done的用法。句意为:我本来能够轻松地通过这次考试的，但是我犯了太多愚蠢的错误。结合语境可知，此处考查虚拟语气，且与过去的事实相反，应用
could/would/might have done的结构，could have passed本能通过（事实上未通过），故选B项。
【点睛】
本题考查情态动词的过去式+have done的虚拟语气的用法，常见结构有should/shouldn’t have done; could/couldn’t have done/ would/wouldn’t have done/ need/ needn’t have done/ might have done
例如：
Without your help, I couldn’t have passed the test.如果没有你的帮助，我本不能通过测试。It cleared up, I needn’t have bro ught the umbrella.天放晴了，我本没有必要带伞的。
23．-- Catherine, I have cleaned the room for you.
---Thanks. You _______ it. I could manage it myself.
A．needn’t do B．shouldn’t have done C．mustn’t do D．needn’t have done 【答案】D
【解析】
【详解】
考查情态动词辨析。句意: ---凯瑟琳，我已经为你打扫了房间。 - - -谢谢。你本不必这么做的。我自己能行。A. needn’t do不必做某事；B. shouldn’t have done本不应该做某事； C. mustn’t do禁止做某事；D. needn’t have done本不必做某事。由“Thanks. I could manage it myself”可知，needn’t have done“ 本不必做某事，而实际上做了某事”符合句意。故选D 项。
24．It turned out that the hotel was so near. I ______ the taxi.
A．needn't have taken B．must have taken C．should take D．could take
【答案】A
【解析】
【详解】
考查情态动词。句意：结果证明这家宾馆非常近。我本不必乘坐出租车。needn’t have done表示“本不必做某事实际上做了”，根据句意，旅馆很近不用乘坐出租车，但是乘车了。故选A。
25．You ________ be Carol. You haven’t changed a bit after all these ye ars.
A．must B．can C．will D．shall
【答案】A
【解析】
【详解】
考查情态动词。句意：你肯定是卡罗，这些年你一点也没有变化。must表示对现在的肯定推测；can表示推测，表示可能性；will表示意愿；shall表示表示决心、命令或指示。根据下文“这些年你一点用没有改变”可知，前文表示肯定性推测。故选A。
【点睛】
must表推测的用法must表示很有把握的推测，其意为“一定会”“肯定会”，只用于肯定句，一般不用于否定句或疑问句。表示对现在或未来的情况作推测，后接动词原形。You have worked hard all day. You must be tired. 你辛苦一整天，一定累了（对现在情况的推测判断）I didn’t hear the phone. I must have be asleep. 我刚才没有听到电话，我想必是睡着了。
26．He ______ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
A．shouldn’t be B．can’t have finished
C．can’t be D．mustn’t have finished
【答案】B
【解析】
【详解】
考查推测句。句意：他现在不可能写完了卷子。我十分钟之前留下他时，他还没有写一个字。根据句意可知，此处考查对过去情况的否定推测，其表达为can’t have done不可能做某事，故选B项。
【点睛】
本题考查推测句
对过去情况的肯定推测是must have done
对过去情况的否定推测是can’t/couldn’t have done
例如:
The ground is wet, so it must have rained last night.
He can’t have finished his work, because he played basketball all day yesterday.
27．You _____ be right but I’m going back to check anyway.
A．should B．must C．need D．might
【答案】D
【解析】
【详解】
考查情态动词。句意：你或许是对的，但我还是要回去核对一下。A. should应该；B. must 一定，必须；C. need需要；D. might或许。本题主要考查情态动词表示推测的用法，由I’m going back to check anyway可知，我对此不确定。由此可知，D项符合题意。故选D项。【点睛】
can / could用于表推测的用法
(1) 从使用句型上看，can 通常只用于否定句或疑问句，一般不用于肯定句，而could 可用于肯定句、否定句和疑问句。两者没有时间上的差别，只是could 比 can 更委婉，更不确
定。
(2) 从时间关系看，对现在或将来情况作推测，后接动词原形；对正在进行的情况作推测，后接 be doing 结构；对过去情况作推测，后接动词完成式。
二、 may / might用于表推测的用法
表示推测，两者都可用，只是 might 比 may 语气更不确定，表示的可能性更小。如本题，根据I’m going back to check anyway可知，我对此不确定。由此可知，D项符合题意。(1) 在句型使用方面：两者均可用于肯定句和否定句，但用于疑问句时，may通常不用于句首，但可用于疑问句的句中（如特殊疑问句等），而might尽管可以用于疑问句的句首，但不算普通，通常会改用其他句式（如用could等）。
三、must表示推测的用法
must 表示很有把握的推测，其意为“一定会”“肯定会”，只用于肯定句，一般不用于否定句或疑问句。表示对现在或未来的情况作推测，后接动词原形；表示对过去情况的推测，接动词完成式。
28．(2018·天津) I can't find my purse. I___________ it in the supermarket yesterday, but I'm not sure.
A．should leave B．must have left
C．might leave D．could have left
【答案】D
【解析】
【详解】
考查情态动词表推测。句意：我不能找到我的钱包了，昨天我有可能把它落到超市了，但我不确定。根据句中时间状语yesterday可知，是对过去事情的推测，故用情态动词+ have done，再根据后句but I’m not sure.可知，此推测为不能肯定的推测，故用情态动词could，表示“可能”。故选D。
【点睛】
情态动词是每年高考的热点也是难点。本题抓住两点：第一、时态。根据句中时间状语可以判断出是对过去事情的推测，故用情态动词 + have done；如果是对现在事情的推测，才用情态动词+v原形。第二、情态动词的选择。must为肯定推测，表示“一定”，could为不肯定推测，表示“可能”，这样就能选出正确答案。
29．—It’s so hot and uncomfortable here! Why are your windows still closed?
—Oh, I’m not to blame. They ________ open.
A．shan’t B．mustn’t C．won’t D．wouldn’t
【答案】C
【解析】
【详解】
考查情态动词辨析。句意：---这里又热又不舒服！你的窗户怎么还关着？ ---哦，不该责备我啊。窗户打不开了。shan’t= shall not意为“不可, 不应”；mustn’t=must not意为“不要”；
wouldn't=would not 意为“不会，不愿意”。won’t=will not意为“不会, 不能”， will在这里表示能力、功能。例如：This auditorium will seat one thousand people. 这个礼堂能容纳一千人。这句话意思是“这扇窗不能打开”，故选C项。
30．Mr. Smith is almost on time for everything. How ________ it be that he was late for the meeting?
A．can B．should C．may D．must
【答案】A
【解析】
【详解】
考查情态动词辨析。句意：史密斯先生几乎任何事情都是准时的。他怎么可能开会迟到了？ A. can可能，可能性，表示可能性时，常用于否定句和疑问句中，且有时还带有“惊奇、不相信” 等感情色彩。B. should 应该； C. may也许，表示可能性时常用于肯定句中，不用于疑问句中。D.must常用于肯定句中表推测，“一定……”的意思；本题是强调句型的一个变式：强调其特殊疑问句how的形式。根据前句“斯密斯先生几乎是很准时”可推测出“怎么可能开会迟到呢？”。根据句意可知，用于疑问句中的“可能性”且有不相信的色彩，四个选项只有“can”符合题意。故选A
【点睛】
情态动词就是表示说话者对事情的一种看法，也就是一种语气。情态动词的用法一直是命题者常设置的考点和重点，平时要加强记忆。
31．--- Difficulties always go with me!
--- Cheer up! If God closes door in front of you, there be a window opened for you.
A．must B．would
C．could D．can
【答案】A
【解析】
【详解】
考查情态动词辨析。句意：——困难总是伴随着我！——高兴点! 如果上帝在你面前关上了门，一定有一扇窗户为你打开。A. must必须；B. would将要；C. could能，会；D. can能，会。must表示对现在的状态推测时，意为“一定”，表示可能性很大的推测。符合语境。故选A。
【点睛】
1) must用在肯定句中表示较有把握的推测，意为"一定"。
2) must表对现在的状态或现在正发生的事情的推测时， must 后面通常接系动词be 的原形或行为动词的进行式。
3) must 表示对已发生的事情的推测时，must 要接完成式。
4) must表示对过去某时正发生的事情的推测，must 后面要接完成进行式。
5) 否定推测用can't。
本句中的。must表示对现在的状态推测时，意为一定，表示可能性很大的推测。符合第2点用法。
32．Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
A．can B．should
C．need D．might
【答案】B
【解析】
【详解】
考查情态动词。句意：看！你的作文里有那么多的错误。你本应该把所有的注意力都集中在它上面的。表示“本应该做但实际上没有做”应该用should have done结构，can have done 表示可能；need表示需要；might have done表示可能做过某事；故选B。
33． ---Is Jack on duty today?
---It ________ be him. It's his turn tomorrow.
A．mustn't B．won't C．can't D．needn't
【答案】C
【解析】
【详解】
考查情态动词表示推测。句意：--今天杰克值日吗？--不可能是他。明天该轮到他。can’t be 用于否定推测“不可能是”，must表示推测的时候，表示“肯定是”，won’t不愿意，needn’t 不必，故选C。
34．—______ you sing and dance at this late hour of the night?
—Sorry, I will stop right now.
A．May B．Shall
C．Will D．Must
【答案】D
【解析】
试题分析：考查情态动词的用法。 May可以，可能 Shall： 用于第一三人称的疑问句，表示说话人征求对方的意见或向对方请示。?用于二三人称的陈述句表示说话人给对方的命令、警告、允诺、威胁或决心等。?用于法律、法规条文、合同等，按规定应该履行的义务等。Will 表示请求或建议；表示意愿或表示现在的习惯D. Must表示“必须”“一定”“偏要”之意。此处must表示“偏要,偏偏”。句意：——你偏要在深夜又唱又跳吗？——很抱歉，我会马上停止。
考点：考查情态动词的用法。
35．I use a clock to wake me up because at six o'clock each morning the train comes by my house.
A．couldn't B．mustn't
C．shouldn't D．needn't
【答案】D
【解析】
试题分析：考查情态动词辨析。A不可能；B禁止，千万不能；C不应该；D不需要；句意：我不需要使用闹钟叫醒我，因为每天早上六点都有一列火车经过我的家旁边。根据句意可知我不需要使用闹钟。故D正确。
考点：考查情态动词词义辨析
36．The door ________ open, no matter how hard she pushed.
A．shouldn’t B．couldn’t
C．wouldn’t D．mightn’t
【答案】C
【解析】
【详解】
考查情态动词。句意：无论她怎么使劲推，门就是打不开。A. shouldn’t不应该；B. couldn’t 不能够；C. wouldn’t不愿意；D. mightn’t可能不。will及其过去式would均可表示一种倾向性、习惯。故选C。
37．My computer ________ start this morning. There must have been something wrong with it. A．wouldn’t B．shouldn’t C．couldn’t D．mustn’t
【答案】A
【解析】
【详解】
考查情态动词。A. wouldn’t 不会；B. shouldn’t不应该； C. couldn’t 不能； D. mustn’t禁止，不允许。句意：我的电脑今早启动不了。一定是出了什么问题。此处would表示过去的习惯或反复性的动作。故选A。
38．–Will you read me a story, Mummy?
--OK. You ______have one if you go to bed as soon as possible.
A．might B．must C．could D．shall
【答案】D
【解析】
【分析】
【详解】
考查情态动词。句意：——妈妈，给我讲个故事好吗？——好，如果你尽快上床睡觉，我
就给你讲一个。might表示“或许”；must表示“必须”；could表示“可能”；shall在此处表示“允诺”，符合句意，故选择D项。
39．—Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.
—Yes, the weather there _____ be as low as 60℃ below zero.
A．must; can B．shall; must C．will; should D．has to; can
【答案】A
【解析】
【详解】
考查情态动词。根据句意：——对于生活在加拿大北方的人来说生活肯定很艰难，因为冬天那儿很冷。——是的，那儿的天气可能会达到零下60度。must表肯定推测，意为“肯定，一定”，can表客观上的可能性，意为“可能”。根据语境及选项可知，A选项正确。故选A。
40．No driving after drinking is a rule that every driver ____________ obey in our country. A．will B．shall
C．may D．can
【答案】B
【解析】
试题分析：考察情态动词。A. 将要 B.将要 C.可能D.可以。Will 表示请求、建议、意志、愿望和决心。Shall用于第二、第三人称，表示说话人给对话的命令、警告、允诺或威胁。May表示请求和允许；用于祈使句表示决心；表示推测、可能性。Can表示能力；请求和允许。句意：酒后驾车是每一位驾车者在我们国家应当遵守的规则。故选B。
考点：考察情态动词
英语情态动词专项练习题及答案含答案解析
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高中英语情态动词精讲与解析
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高考备考知识点总结高中英语单选题必考点精讲典型“陷 阱题” 50例 1.Mary couldn’t make herself _______ attention to because her classmates made so much noise. A. paid B. to pay C. pay D. paying 答案解析：此题容易误选C, 其实此题应选A。pay attention to 是动词短语，起及物动词的作用，在句中作宾语补足语，与宾语herself构成被动关系。 2.Was it through Mary , ____ was working at a high school , _____ you get to know Tom ? A. who, who B. that, which C. who, that D. who, which 答案解析：此题应选C, 但是许多学生刚好首先排除了C项，他们认为:（1)非限制性定语从句不用关系代词that引导;（2) 强调句型It be + 被强调部分+ that (who)…中，who (that)前不能有逗号。上述两点是对的，在此句中Was it…that…也的确是强调句型，但句中的两个逗号不在强调句型中，它的作用是把非限制性定语从句who was working at a high school与句子其它部分分隔开来。整句话的汉语意思是：玛丽在一所中学工作，你是不是通过她认识汤姆的？ 3.Every minute is made full use of _______ our lessons. A. studying B. to study C. study D. being studied 答案解析：此题容易误选A,认为动名词作介词的宾语。其实此题应选B，此句是被动句，转换成主动句就成为we make full use of every minute to study our lessons.。是不定式作目的状语。 4.I agree with most of what you said, but I don't agree with _____.
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