小学英语情态动词专项练习及答案.doc

小学英语(完整版)情态动词专项练习及答案一、选择题1Will my car be ready by the end of the day?It _ be, sir. Ill call if theres any problem.AmustBcouldCshallDshould2Think twice before making a decision, or you _ get into trouble.AmayBcantCshouldntDmustnt3Who is singing next door? It sounds like a young girls voice.It _ be Jane. But she seldom sings English songs.AneedBmustCmayDcan4To avoid _, wed better _ the parents meeting online.Agather; holdBgathering; holdCgather; holdingDto gather; to hold5Hurry up, or we _ miss the beginning of the film.AshouldBmustCmayDhave to6I must go to school today, _?No, you _.You can go as soon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt7How do you like my new dress? Well, if I _ say, it is not suitable for you.AmayBmustChave toDshould8Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not9Do we have to finish this today?Yes, you _ . Today is the last day.AwouldBmayCcanDmust10There is a knock at the door.It _ be my mom. She always comes back home at this time.AmayBmay notCmustDcant11You _ drive after drinking alcohol(酒). Its against the law.AmustntBneedntCcouldntDwouldnt12Exercise is helpful but it _ be regular (规律的) exercise.AmustBmayCcanDneed13I _ hear you clearly. Would you please repeat it?AmustntBcantCneedntDshouldnt14 Mom, must I clean my room now? No, you _. You can do it after dinner.AneedntBmustntCshouldntDcant15A lot of online resources _ be used either by teachers at school or parents at home.AcanBshouldCneedDmust16Its amazing that the pen _turn voice into text with few mistakes.AcanBmustCmayDneed17The high school entrance examination is coming!Yes, our teacher tells us we _ be too careful while taking examsAmustntBshouldntCneedntDcant18Amy, I hear youve got many foreign coins_ I have a look?Of course, Ill fetch them for youAMayBMustCShouldDNeed19Will your mother be at home this Saturday?Hard to say. She _go to the countryside to see my grandparents.AmustBmayCcanDwould20The high school entrance examination is coming! Yes, our teacher tells us we _ be too careful while taking exams.AmustntBshouldntCneedntDcant21Sometimes smiles _ be false, hiding other feelings like anger, fear or worry.AshouldBwouldCmustDcan22Never throw objects from the building. Even a small object _ cause serious injuries, or death, when dropped from a great height.AmustBshouldCmayDneed23 Mum, why do I have to wash hands so many times a day?You _ be too careful, for your health.AcantBmustntCmay notDneednt24Will Jim come to Yangzhou for a holiday?He _come and it depends on how much homework he will have.AmayBshouldCmustDneed25In China, many parents complain that their children have to stay up late to do the homework. Dont worry. The government has realized the problem. Im sure there _ be good news soon.AcanBshouldCneedDmust26 Is the boy over there Tom? He often wears a jacket like that. It _ be him. He is absent from school today.AneedntBshouldntCmustntDcant27You _ pay too much attention to protecting yourself if you plan to go abroad.AmustntBcantCshouldntDneednt28When people are waiting at the zebra crossing, cars and buses _ wait and let them go first.AmustBmayCcanDneed29Is it really necessary for me to go shopping with a mask on?Im afraid you _ in public. It is not only to protect yourself but also to protect others.AmustBshouldCcanDneed30Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?_. Because everyone should protect our earth and it is bad _ us to eat the polluted seafood and drink the waste water.AYes, we can; ofBNo, we mustnt; ofCYes, we must; forDNo, we neednt; for31 Listen! Tom _ be listening to the music while doing his homework. Lets go upstairs to remind him to turn it off.AshouldBcouldCwouldDmust32Mr. Black _ be at home now. He went abroad on vacation last Friday.AcantBmustntCneedntDshouldnt33 The sandstorm in Beijing is so serious this year. Yes, I wonder when we _ worry about the air we breathe.AcantBmustntCneedntDshouldnt34The article says that a persons animal sign decides his personality.You _ read it for fun, but dont believe in that.AcanBmustCshouldntDneednt35How beautiful the winter jasmines (迎春花) are!Yes. These golden-yellow flowers _ be widely seen in my city in March.AmustBcanCwouldDshould36Mum, I bought some strawberries on my way home.Oh, youre so sweet. But the strawberries _ be put into the fridge for freshness.AmustBcanCmayDneed37In China, many students have to stay up late to do their homework.No worries. The government has realized the problem. Im sure there _ be good news soon.AcanBshouldCmustDneed38May I have some wine to drink?No, you _. You have to drive home later.AmustntBneedntCcantDmay not39I dont care what people think.Well, you _ . Some opinions are worth weighing.AshouldBmightCcouldDwould40Seventy dollars for such a dress! You _ be joking!Im serious. Its made of silk from Hangzhou.AmustBneedCwillDcan【参考答案】一、选择题1D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。2A解析：A【详解】句意：做决定前要三思，否则你可能会惹上麻烦。考查情态动词。may可能；cant不能；shouldnt不应该；mustnt不允许；根据语境理解可知，此处表达的是“可能”，是一种不太肯定的推测，英语用may，故选A。3C解析：C【详解】句意：谁在隔壁唱歌？听起来像是一个年轻女孩的声音。可能是简。但是她很少唱英文歌。考查情态动词。need需要；must一定；may可能；can能，会；表示推测时，常用于否定句和疑问句中。根据“It.be Jane. But she seldom sings English songs.”可知，此处表示不确定的推测，且是肯定句，故选C。4B解析：B【详解】句意：为了避免聚会，我们最好在网上开家长会。考查非谓语动词及动词的基本形式。avoid doing sth.“避免做某事”；Wed better+动词原形，我们最好做某事；gather是动词，聚集；hold是动词，举行，第一空用动名词，第二空用动词原形，故选B。5C解析：C【详解】句意：快点，否则我们可能会错过电影的开头。考查情态动词。should应该；must必须；may可能；have to不得不。根据语境可知，此处表推测，故应用情态动词may。故选C。6B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。7C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。8B解析：B【详解】句意：孩子们明天早上六点必须离开吗？ 不，他们不必。他们可以有更多的时间为旅行做准备。考查情态动词辨析。cant不能；neednt不必；mustnt禁止；may not可能不会。根据“Must the children leave at six tomorrow morning?”可知，此处为Must引导的一般疑问句，否定答语要用needt或dont have to，故选B。9D解析：D【详解】句意：我们一定要今天完成吗？是的，你们必须。今天是最后一天。考查情态动词辨析。would将；may也许；can可能，可以；must必须。根据“Today is the last day.”可知，必须今天完成，故选D。10C解析：C【详解】句意：有人敲门。一定是我妈妈。她总是这个时候回家。考查情态动词辨析。may也许；may not也许不；must一定；cant不能。根据“She always comes back home at this time.”可知，此处表示非常肯定的推测，故选C。11A解析：A【详解】句意：你不准酒后开车。这是违法的。考查情态动词。mustnt不准；neednt不需要；couldnt不可能；wouldnt将不会。根据下文“Its against the law”可知，因为会违反法律，所以酒后驾车这个行为是禁止和不允许的，故选A。12A解析：A【详解】句意：锻炼是有帮助的但是它必须是有规律的锻炼。考查情态动词辨析。must一定，必须；may也许；can能够；need需要。根据but转折可知有规律的锻炼才对身体有帮助，故用must表示一定，必须。故选A。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。14A解析：A【详解】句意：妈妈，我现在必须打扫房间吗？ 不，不需要。你可以在晚饭后做。考查情态动词。neednt不需要；mustnt禁止；shouldnt不应该；cant不能。根据英语语法，对于must开头一般疑问句，若要作否定回答，可用neednt，不用mustnt。故选A。15A解析：A【详解】句意：很多在线资源既可以供学校的老师使用，也可以供家长在家使用。考查情态动词词义辨析。can能，可以；should应该；need需要；must必须。根据“be used either by teachers at school or parents at home.”可知，指很多在线资源既可以供学校的老师使用，也可以供家长在家使用。故空格处的意思是可以，能够。故选A。16A解析：A【详解】句意：神奇的是，这支笔能把声音转换成文字，而且很少出错。考查情态动词词义辨析。can能够，可以；must必须；may可以，可能；need需要。此句是说这支笔能够把声音转换成文字，表示一种能力，应用can，故选A。17D解析：D【详解】句意：中考就要来了！是的，我们的老师告诉我们考试的时候我们再怎么仔细都不为过。考查情态动词。mustnt禁止；shouldnt不应该；neednt不需要；cant不能、不可能。根据“while taking exams”可知这里应用cant，cant be too+adj.表示“再也不为过”，故选D。18A解析：A【分析】【详解】句意：埃米，我听说你有许多外国硬币，我可以看一看吗？当然，我去给你拿来。 考查情态动词辨析。May可以，表示请求许可；Must必须，强调主观愿望；Should应该，指主语的责任与义务；Need需要，必须。本题表示“请求”看看硬币，用may，故选A。19B解析：B【详解】句意：你妈妈这周六将在家吗？很难说。她可能去乡下看我的祖父母。考查情态动词辨析。must一定，表示有把握的推测；may可能，表示没有把握的推测；can可以，表示允许；would愿意，表示意愿。根据“Hare to say”可知，此处表示没有把握的推测，因此用may，故选B。【点睛】20D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。21D解析：D【详解】句意：有时候，微笑可能是假的，隐藏着诸如愤怒，恐惧或担心等感情。考查情态动词辨析。should应该；would会；must必须；can可能，表示有客观的可能性。根据“hiding other feelings like anger, fear or worry.”可知微笑可能是假的。故选D。22C解析：C【详解】句意：切勿将物体从建筑物中扔出去。从高处坠落时，即使是小物体也可能造成严重伤害或死亡。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 object.cause 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。23A解析：A【详解】句意：妈妈，为什么我必须一天洗那么多次手？为了你的健康，你越小心越好。考查情态动词。cant不可能；mustnt禁止；may not可能不；neednt不必。cant be+too+形容词，表示越越好，故选A。24A解析：A【详解】句意：吉姆会来扬州度假吗？他可能会来，这要看他有多少家庭作业。考查情态动词词义辨析。may可以，表达推测时，表示“可能”；should应该；must必须，表达推测时，表示“一定”；need需要。由答语后半句“it depends on how much homework he will have.”可知，此句是说吉姆来不来取决于作业的多少，所以是可能来，用may表示推测，故选A。25D解析：D【详解】句意：在中国，许多家长抱怨他们的孩子不得不熬夜做家庭作业。别担心。政府已经意识到这个问题。我相信很快就会有好消息。考查情态动词。can能、会；should应当；need需要；must必须、一定；根据空前“Im sure”可推知，应是“there must be，一定有”，表示肯定的推测。故选D。26D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。27B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。28A解析：A【详解】句意：当人们在斑马线前等候时，汽车和公共汽车必须等一等，让他们先走。考查情态动词。must必须；may可能；can能够；need需要。根据“wait and let them go first”可知此处是讲礼让行人的交通规则，应是必须等行人先过。故选A。29A解析：A【详解】句意：我真的有必要带着口罩去购物吗？恐怕在公共场合你必须如此。这不仅是保护自己，也是保护他人。考查情态动词。must必须；should应该；can可以；need需要。根据“It is not only to protect yourself but also to protect others.”可知在公共场合必须戴口罩。故选A。30C解析：C【详解】句意：我们必须阻止日本政府向太平洋排放核污水吗？是的，我们必须。因为每个人都应该保护我们的地球，吃污染的海鲜和喝废水对我们是不好的。考查一般疑问句及介词用法。根据“Must we stop the Japanese government discharging nuclear waste water into the Pacific Ocean”可知，对于日本政府向太平洋排放核废料这个行为，我们是必须要阻止的，用must表示“必须”。第二个空是固定搭配：be bad for“对有害”，故选C。31D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。32A解析：A【详解】句意：布莱克先生现在不可能在家。他上周五去国外度假了。考查情态动词词义辨析。cant不可能，不会；mustnt禁止；neednt不需要；shouldnt不应该。根据“He went abroad on vacation last Friday.”可知，布莱克先生上周五出国了，所以猜测他现在不可能在家。故选A。33C解析：C【详解】句意：今年北京的沙尘暴很严重。是的，我想知道什么时候我们不需要担心我们呼吸的空气。考查情态动词辨析。cant不可能；mustnt禁止；neednt不必；shouldnt不应该。根据“I wonder when we worry about the air we breathe”可知，想知道什么时候不必担心空气质量，故选C。34A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。35B解析：B【详解】句意：这些迎春花多么漂亮啊！是的，在三月份在我的城市这些金黄色的花可以广泛地看到。考查情态动词。must必须；can能，可以；would将会，愿意；should应该。根据空后“be widely seen”可知，这里表示这些花能够被广泛看到，can符合语境，故选B。36A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。37C解析：C【详解】句意：在中国，许多学生不得不熬夜做作业。别担心。政府已经意识到这个问题。我相信很快就会有好消息。考查情态动词辨析。can能、会；should应当；must必须、一定；need需要。根据空前“Im sure”可推知，应是“there must be，一定有”，表示肯定的推测。故选C。38A解析：A【详解】句意：我可以喝点酒吗？不，你不能。你一会儿得开车回家。考查情态动词。mustnt不可以，表禁止；neednt不需要；cant不可能；may not可能不是。上句询问能否喝点酒，结合“drive home”可知，开车不能喝酒，表禁止，故用mustnt。故选A。39A解析：A【详解】句意：我不在乎别人怎么想。嗯，你应该在乎。有些意见值得权衡。考查情态动词。should应该；might可能；could能；would将会，根据前面的“I dont care what people think”和后面的“Some opinions are worth weighing”可知，应该是“你应该在乎”，故选A。40A解析：A【详解】句意：这样一件衣服要70美元！你一定是在开玩笑！我是认真的。这是杭州的丝绸做的。考查情态动词辨析。must一定；need必须；will将；can能够。根据“Seventy dollars for such a dress”可知，70美元竟然买这样一件衣服，认为对方一定是在开玩笑，故选A。