情态动词专项练习及解析.doc

情态动词专项练习及解析一、选择题1 _ you give me a hand? I cant put up the poster by myself.No problem.ACouldBShouldCNeedDMust2 Ready? Lets get started, Martin. Swimming? I just _ get used to it in winter.AcantBneedntCmustntDshouldnt3I must go to school today, _?No, you _.You can go as soon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt4How do you like my new dress? Well, if I _ say, it is not suitable for you.AmayBmustChave toDshould5 Why didnt you tell it to me earlier? Why _ I? I want to have my own secret.AcanBmayCshouldDshall6Mum, why do I have to wear a mask before entering the supermarket?For your health and safety, you _ be too careful.AshouldntBcantCmustntDneednt7Hurry up, Jack! Lets cross the road as fast as possible.No, you _. Dont you see the light is still red?AcouldntBwouldntCmustntDneednt8The high school entrance examination is coming! Yes, our teacher tells us we _ be too careful while taking exams.AmustntBshouldntCneedntDcant9Its of great importance to protect the environment. Each of us _ take an active part in it.AcanBmayCwouldDshould10We shouldnt throw any objects from the building. Even a small object _ cause serious injuries or death, when dropped from a great height.AmustBshouldCmayDneed11Whos singing next door? Is it Miss Wang?It _ be her. Shes having the board meeting.AcantBshouldntCmustntDneednt12When you visit a museum, some instructions should _ and wed better not _ them.Apay attention to; be againstBbe paid attention; againstCbe paid attention to; againstDbe paid attention to; be against13I _ hear you clearly. Would you please repeat it?AmustntBcantCneedntDshouldnt14If you buy your mum an iRobot floor cleaner, she _ sweep the floor every day.AcantBmustntCneedntDshouldnt15Have you decided to take up teaching as career after graduation? I _ go abroad for further education instead. But it depends.AmustBshouldCmayDshall16-Will you be back early this evening?-Yes, but I _ be a little late. Our boss sometimes has extra work for us.AmayBmustCneedDwill17Weve discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay18You _ pay too much attention to your pronunciation, as it is so important in the oral（口头的） test.AshouldntBmustntCcantDneednt19Would you please_in that way? Thats not safe!Sorry. I wont do it any more.Anot drivingBnot to driveCno drivingDnot drive20Will my car be ready by the end of the day?It _ be, sir. Ill call if theres any problem.AmustBcouldCshallDshould21Shall I tell him the change of the time right now?Im afraid you _, otherwise he will be late for the meeting.AcanBmayCmustDneed22 What is that young ladys job? She _ be a nurse, Im not sure.AmustBmayCneedDwould23You _ smoke here! Look at the sign. It says "No smoking".Aneedn'tBmustn'tCcanDmay24 Listen! Tom _ be listening to the music while doing his homework. Lets go upstairs to remind him to turn it off.AshouldBcouldCwouldDmust25Must I finish all my homework today, Mum?No, you _, my dear. You can finish some tomorrow if you like.AneedntBshouldntCcantDmustnt26We've discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay27Suzy described every detail of the accident just now.Her memory _ be completely back.AshallBneedCmustDcould28Is it usually warm in Yancheng in May?Yes. But it _ be rather cold sometimes.AmustBshouldCwouldDcan29Sorry, smoking is not allowed here. If you _ , you will be fined according to the rules.AcanBwillCmayDmust30You _ pay too much attention to protecting yourself if you plan to go abroad.AmustntBcantCshouldntDneednt31A hard-working man _ become a great scientist, but a great scientist _ be a hard-working man.Acant; canBmay not; mustCcant; mustDmay not; can32 Will dad arrive home at 6 oclock to have dinner with us this evening? I think he will, but he _ not. Sometimes he works extra hours.AcanBmustCneedDmay33Look at the floor, Tom! _ you watch TV while having a meal?AShouldBCouldCMustDMay34Cars _ give way to walkers on some roads in Binhai, or the drivers will be fined.AmayBwillCcanDmust35Youve got an A in the maths test again. You _ be good at it.AcanBmayCmustDshould36Could you tell me how to renew the library books?With pleasure. You _ come to our desk every time. Its easier to renew them online.AcantBmustntCneedntDshouldnt37The article says that a persons animal sign decides his personality.You _ read it for fun, but dont believe in that.AcanBmustCshouldntDneednt38Mum, I bought some strawberries on my way home.Oh, youre so sweet. But the strawberries _ be put into the fridge for freshness.AmustBcanCmayDneed39 What do you think of the show yesterday? Some of them were really good but others _ be better.AwillBmustCneedDcan40 Is the boy over there Tom? He often wears a jacket like that. It _ be him. He is absent from school today.AneedntBshouldntCmustntDcant【参考答案】一、选择题1A解析：A【详解】句意：你能帮我一把吗？我一个人贴不起海报。没问题。考查情态动词辨析。Could能、会（用在问句中表示委婉语气）；Should应该；Need需要；Must必须。根据“I cant put up the poster by myself.”可知，此处表示请求，用委婉语气表达“能”帮一下吗。故选A。2A解析：A【详解】句意：准备好了吗？我们开始吧，马丁。游泳？我只是不能习惯冬天游泳。考查情态动词。cant不能；neednt不必；mustnt禁止；shouldnt不应该。根据get used to it in winter“习惯冬天游泳”可知，应该是“不能”习惯冬泳，用cant，故答案选A。3B解析：B【详解】句意：今天我必须去上学，是吗？不，你不必。你可以等好点再去。考查情态动词。mustnt禁止，不要；neednt不必，没有必要。must是情态动词，意为“必须”，反意疑问句应用need构成，答语中也应用need。故选B。4C解析：C【详解】句意：你觉得我的新裙子怎么样？ 好吧，如果我不得不说的话，它不适合你。 考查情态动词。may可以；must必须（有义务、有必要）；have to不得不（客观情况驱使）；should应该。根据“if Isay, it is not suitable for you.”可知，此处表示客观情况驱使，因此用have to“不得不”。故选C。5C解析：C【详解】句意：你为什么不早点告诉我？ 我为什么应该告诉你？我想要保守我自己的秘密。 考查情态动词。can能够；may可以；should应该；shall将，会。根据“Why didnt you tell it to me earlier?”及“I want to have my own secret.”可知，此处应该是“我为什么应该告诉你？”故选C。6B解析：B【详解】句意：妈妈，为什么我进超市前要戴口罩？ 为了你的健康和安全，你再小心也不为过。考查情态动词辨析。shouldnt不应该；cant不能；mustnt不允许；neednt不必。根据“For your health and safety, you.be too careful.”可知，为了你的健康，你再怎么小心也不为过，“cant.too.”表示“再也不为过”。故选B。7C解析：C【详解】句意：快点，杰克！让那个我们尽快地过马路。不，你不能这样，你没有看到是红灯吗？考查情态动词。couldnt不能，不会；wouldnt不愿意；mustnt禁止，不要；neednt不需要，不必。根据下文“Dont you see the light is still red”可知，现在是红灯，禁止过马路，故选C。8D解析：D【详解】句意：高中入学考试快到了! 是的，我们老师告诉我们考试时再怎么仔细都不为过。考查情态动词。mustnt禁止；shouldnt不应该；neednt不必；cant不能。“cant be too +adj.”意为“再怎么样也不为过”，结合语境，故选D。9D解析：D【详解】句意：保护环境是非常重要的。我们每个人都应该积极参与其中。考查情态动词。can能；may也许；would就会；should应该；根据“Its of great importance to protect the environment”保护环境非常重要；可知此处指“大家都应该积极参与”，表责任、义务；故选D。10C解析：C【详解】句意：我们不应该从大楼上扔任何物体。当从很高的高度掉落时，即使一个小的物体可能导致严重的伤害或死亡。考查情态动词辨析。must必须；should应该；may可能；need需要。根据“Even a small objectcause serious injuries or death,when dropped from a great height”可知，从高空中掉落一个小的物体都有可能造成伤害或死亡，表示可能性用may，故选C。11A解析：A【详解】句意：谁在隔壁唱歌？是王小姐吗？不可能是她。她正在开董事局会议。考查情态动词表推测。can't不可能是，表示有把握的否定推测；shouldn't不应该；mustn't禁止；needn't没必要。根据“Shes having the board meeting.”，可以判断出不可能是王小姐在唱歌，故选A。12D解析：D【详解】句意：当你参观博物馆时，应该注意一些说明，我们最好不违反它们。考查含情态动词的被动语态和情态动词跟动词原形。“some instructions”和“pay attention to”属于被动关系，所以第一个空用“should be paid attention to”结构，所以排除A、B；had better not do/be意为“最好不做某事”；against“反对”，介词，所以第二个空用动词短语be against “反对”。故选D。13B解析：B【详解】句意：我听不清你说什么。你能重复一下吗？考查情态动词。mustnt禁止；cant不能；neednt不需要；shouldnt不应该。根据“Would you please repeat it?”可知，我不能听清，所以需要对方重复，故选B。14C解析：C【详解】句意：如果你给你妈妈买一台扫地机器人，她就不必每天扫地了。考查情态动词辨析。cant不能；mustnt禁止；neednt不需要；shouldnt不应该。根据“If you buy your mum an iRobot floor cleaner”可知，买了扫地机器人，就不需要人工每天扫地了，故选C。15C解析：C【详解】句意：你决定毕业后从事教书工作了吗？我可能出国深造。但要看情况。考查情态动词。must 必须，一定；should 应该，shall的过去式；may 可能；shall 应该。根据“But it depends.”可知，出国深造的可能性不是很大，大概是50%左右，表示50%左右的可能性，“may”符合句意，故选C。16A解析：A【详解】句意：你今晚会早点回来吗？ 是的，但我可能会晚一点。我们的老板有时有额外的工作要做。A. may也许；B. must必须；C. need需要；D. will将，将会。由下文的句子Our boss sometimes has extra work for us. 我们的老板有时有额外的工作要做。可知，今晚我可能会晚一点回来。因此用may be表示推测；选项B/C/D不符合语境。故选A。17D解析：D【详解】本题考查：情态动词辨析。选项分析：A. must必须，一定。B. should应该；就；可能；将要。C. would 将，将会（will 的过去式）。D. may可以，能够。综合分析前后句， 可知此处填may最合适，完整句意为：Weve discussed every detail of this plan and have got everything ready.我们已经讨论了这个计划的每个细节，一切都准备好了。But still something may go wrong.但仍有可能出错。We still have to be very careful.我们还是要非常小心。正确答案为：D【点睛】would，could，must，might，may，can都可以表示“可能性”：按照可能性的大小可以排序为might、may、could 、can、should、would、must。也就是说，might表示最小的可能性，must则表示达到最大的可能性。如：He might be at home. 他或许在家（但是可能性不大）。He may be at home. 他或许在家（稍有那么一点儿可能）。He must be at home. 他一定在家。此外，它们还表示各自独特的意思：may / might 表示有应承，即“可以”；can / could 表示有能力，即“能够”；should 表示有义务，即“应该”；would 表示有愿望，即“愿意”；must 表示有必要，即“必须”。18C解析：C【详解】句意：你应该非常重视你的发音，因为它在口语考试中如此重要。shouldnt不应该，mustnt禁止，cant 不可能， neednt 不必。can't too much太也不过分，故选C。19D解析：D【详解】句意：请不要以那样的方式开车可以么？那不安全。对不起，我不会再那样做了。考查动词。driving开车，动名词/现在分词形式；to drive动词不定式；drive动词原形。情态动词would后面用动词原形，否定词not放在drive前面。故选D。20D解析：D【详解】句意：我的车今天能修好吗？应该能，先生，如果有什么问题我会打电话给你。考查情态动词辨析。must必须，一定，表推测时，语气最肯定；could可能，表推测时，其意很不肯定；shall将，会；should应当，应该，表示推测时，其语气比较肯定，它通常指非常可能的事，并暗示其推测有一定的事实依据或者合乎常理。根据“Ill call if theres any problem”可知，是说话人按照事实有一定依据的推测，用should符合语境。故选D。21C解析：C【详解】句意：我现在就告诉他时间改变了，好吗？恐怕你必须这么做，否则他开会就要迟到了。考查情态动词辨析。can能够，表能力或许可；may可以，表推测；must必须；need需要。根据下文“otherwise he will be late for the meeting”，可知ABD三项不合语境，这里是说必须告诉他时间改了，故选C。22B解析：B【详解】句意：那位年轻女士的工作是什么？她可能是个护士，我不确定。考查情态动词。must必须；may可能；need需要；would将会；根据“Im not sure.”可知，此处是不确定的推测，表示“可能”，应用may，故选B。23B解析：B【详解】句意：你不能在这里吸烟！看那个标志牌。上面写着“禁止吸烟”。考查情态动词辨析。neednt不需要，没有必要；mustnt禁止，不要；can能，会；may可以，可能。根据句意“Look at the sign. It says "No smoking".”可知，这里禁止吸烟，因此用mustnt表示禁止做的事情，故选B。24D解析：D【详解】句意：听！汤姆一定是一边做作业一边听音乐。让我们上楼去提醒他把音乐关掉。考查情态动词用法。should应该；could能够，可表示委婉语气或用于过去时中；would将会，将要；must必须，表示推测时，意为“一定”。由答语中的“turn it off”可知，此句是推测汤姆一定是在边听音乐边做作业，故选D。25A解析：A【详解】句意：妈妈，我必须今天完成所有作业吗？不，你不必，亲爱的。如果你喜欢，你可以明天完成一些。考查情态动词。neednt不必；shouldnt不应该；cant不可能；mustnt禁止。must引导的一般疑问句否定回答为neednt或dont have to，故选A。26D解析：D【详解】句意：我们已经讨论过这个计划的每个细节并且把一切都准备好了。但仍然有可能出错。我们仍然要非常细心。考查情态动词。must必须；should应该；would将；may可能。根据此处表示推测，应该用may表示可能性，故选D。27C解析：C【详解】句意：苏西刚才描述了事故的每一个细节。她的记忆一定完全恢复了。考查情态动词辨析。shall将要；need需要；must必须，一定；could能。根据“Suzy described every detail of the accident just now.”可知，此处表示非常肯定的推测，故选C。28D解析：D【详解】句意：盐城5月的天气通常暖和吗？是的。但有时会很冷。考查情态动词辨析。must必须；should应该；would将会；can可以，可能。根据“But itbe rather cold sometimes.”可知，此处表示一般推测，故选D。29D解析：D【详解】句意：对不起，这里不允许抽烟。如果你一定要抽的话，你会被按规定罚款的。考查情态动词辨析。can能、会；will将要；may可以；must必须、一定。根据主句“you will be fined according to the rules.”可知，应是如果你一定要抽的话。故选D。30B解析：B【详解】句意：如果你打算出国，无论怎样注意保护自己都不为过。考查情态动词辨析。mustnt不能，表禁止；cant不能，表能力；shouldnt不应该，用于建议；neednt无需，指没有必要。cant pay too much attention to doing sth.无论多么注意做某事都不为过，固定表达；根据“if you plan to go abroad”，可知无论怎样注意保护自己都不为过，故选B。31B解析：B【详解】句意：一个努力的人可能不会成为一位伟大的科学家，但一位伟大的科学家一定是一个努力的人。考查情态动词表推测。第一个空，cant表示“不能”或“不可能”，may not表示“可能不”，根据语境可知，努力的人可能成为伟大的科学家，也可能不会成为，因此排除选项A和C；第二个空，must be表示“一定是”，can be表示“有时是、可以是”，根据题干前半句和but转折可知，此空应用肯定推测，即must be，排除选项D。故选B。32D解析：D【详解】句意：爸爸今晚6点回家和我们一起吃晚饭吗?我想他会的，但也有可能不会。有时他加班。考查情态动词表推测，can能，会；must必须；need需要；may可能。根据“Sometimes he works extra hours.”，可知应该是不确定，故选D。33C解析：C【详解】句意：汤姆，看看地板！你吃饭时必须看电视吗？考查情态动词辨析。Should应该；Could能，会；Must必须；May可以。根据“Look at the floor, Tom!”可知，此处是抱怨必须吃饭看电视，用情态动词must。故选C。34D解析：D【详解】句意：在滨海的一些道路上，汽车必须给行人让路，否则司机会被罚款。考查情态动词词义辨析。may可能；will将会，表意愿；can能，可以；must必须。根据“or the drivers will be fined.”可知，指在滨海的一些道路上，汽车必须给行人让路，否则司机会被罚款。故选D。35C解析：C【详解】句意：你数学考试再次得了A。你肯定很擅长数学。考查情态动词。can表示推测，可能，一般用于否定句和疑问句中；may表示推测，可能，发生的可能性较小；must表示推测，肯定。should表示推测，应该。根据“Youve got an A in the maths test again.”及结合语境可知，你肯定擅长数学。故选C。36C解析：C【详解】句意：你能告诉我怎样续借图书馆的书吗？非常乐意。你不必每次都来我们前台。在网上续借更容易。考查情态动词辨析。cant不可能；mustnt禁止；neednt不必；shouldnt不应该。根据“Its easier to renew them online”可知，在网上就能完成续借的事情，不必来前台办理，故选C。37A解析：A【详解】句意：这篇文章说，一个人的属相决定他的性格。你可以为了好玩而读它，但不要相信它。考查情态动词辨析。can可以；must必须；shouldnt不应该；neednt不必。根据“but dont believe in that”可知，不要相信这样的话，只是可以作为娱乐看一看就行了，故选A。38A解析：A【详解】句意：妈妈，我在回家的路上买了一些草莓。哦，你真贴心。但草莓必须放进冰箱保鲜。考查情态动词辨析。must必须；can能够；may可能；need需要。根据“But the strawberries be put into the fridge for freshness”及常识可知，水果一定得放在冰箱里才能保鲜，故选A。39D解析：D【详解】句意：你觉得昨天的演出怎么样？有一些真的很好，但其他的可以更好。考查情态动词。will将要；must必须；need需要；can可以。根据“were”可知，时态是一般过去时，故A选项排除；本句指一些节目在原有水平基础上可以做得更好，表有能力做某事，用can。故选D。40D解析：D【详解】句意：那边的男孩是汤姆吗？他经常穿那样的夹克。那不可能是他。他今天没来上学。考查情态动词。neednt不必；shouldnt不应该；mustnt禁止；cant不可能。根据“He is absent from school today”可知，推测那个男孩一定不是汤姆，否定推测用cant，故选D。