外研版七年级英语情态动词易错题解析含答案.doc

外研版七年级英语情态动词易错题解析含答案一、选择题1You _ write the report again because spelling mistakes are not allowed at all.AmustBcanCmayDcould2Think twice before making a decision, or you _ get into trouble.AmayBcantCshouldntDmustnt3You _ drive after drinking alcohol(酒). Its against the law.AmustntBneedntCcouldntDwouldnt4You _ be careful with the camera. It costs!AcanBwillCshouldDmay5Whos singing next door? Is it Miss Wang?It _ be her. Shes having the board meeting.AcantBshouldntCmustntDneednt6Its of great importance to protect the environment. Each of us _ take an active part in it.AcanBmayCwouldDshould7Do we have to finish this today?Yes, you _ . Today is the last day.AwouldBmayCcanDmust8Sorry, smoking is not allowed here. If you _ , you will be fined according to the rules.AcanBwillCmayDmust9Be careful! Fire _ be dangerous sometimes. OK. I will put it out right away.AmustntBshouldCcanDneednt10Will my car be ready by the end of the day?It _ be, sir. Ill call if theres any problem.AmustBcouldCshallDshould11Dad, must we wait until the light becomes green? Yes, I am afraid we _. Thats the traffic rule.AmayBcanChave toDneed12May I have some wine to drink?No, you _. You have to drive home later.AmustntBneedntCcantDmay not13Exercise is helpful but it _ be regular (规律的) exercise.AmustBmayCcanDneed14Mum, I bought some strawberries on my way home.Oh, youre so sweet. But the strawberries _ be put into the fridge for freshness.AmustBcanCmayDneed15 Mom, must I clean my room now? No, you _. You can do it after dinner.AneedntBmustntCshouldntDcant16A lot of online resources _ be used either by teachers at school or parents at home.AcanBshouldCneedDmust17Its amazing that the pen _turn voice into text with few mistakes.AcanBmustCmayDneed18 Zoe, what do you think is the greatest advantage of shopping online? At least I _ spend much time going from shop to shop.AshouldntBcantCneedntDmustnt19Have you decided to take up teaching as career after graduation? I _ go abroad for further education instead. But it depends.AmustBshouldCmayDshall20Please dont make so much noise. I _ hear the speaker very well.AneedntBcantCshouldntDmustnt21The boy is very braveI _ he _ the tall treeAdare say; dares to climbBdare to say; dare climbingCdare saying; dares climbDdare to say; dares climbed22Amy, I hear youve got many foreign coins_ I have a look?Of course, Ill fetch them for youAMayBMustCShouldDNeed23 Ready? Lets get started, Martin. Swimming? I just _get used to it in winter.AcantBneedntCmustntDshouldnt24Will your mother be at home this Saturday?Hard to say. She _go to the countryside to see my grandparents.AmustBmayCcanDwould25 Is Lang Lang going to perform at Art Center this Friday? Yes. It _ be him. He has been here for three days.AmightBmustCmustntDmay26Most young people like shopping online because they _ spend much time going from shop to shop.AneedntBcantCmustntDshouldnt27Hurry up, or we _ miss the beginning of the film.AshouldBmustCmayDhave to28I must go to school today, _?No, you _.You can go as soon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt29How do you like my new dress? Well, if I _ say, it is not suitable for you.AmayBmustChave toDshould30Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not31Mum, why do I have to wear a mask before entering the supermarket?For your health and safety, you _ be too careful.AshouldntBcantCmustntDneednt32A hard-working man _ become a great scientist, but a great scientist _ be a hard-working man.Acant; canBmay not; mustCcant; mustDmay not; can33 What is that young ladys job? She _ be a nurse, Im not sure.AmustBmayCneedDwould34According to the rule, used batteries _ be dropped in the red bin for harmful wastes.AmayBwouldCshouldDmight35Weve discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay36Suzy described every detail of the accident just now.Her memory _ be completely back.AshallBneedCmustDcould37_ I see your ID card? We have to check your personal information. Sure. Here you are.AMayBNeedCShouldDMust38Never throw objects from the building. Even a small object _ cause serious injuries, or death, when dropped from a great height.AmustBshouldCmayDneed39Who is singing next door? It sounds like a young girls voice.It _ be Jane. But she seldom sings English songs.AneedBmustCmayDcan40 Mum, why do I have to wash hands so many times a day?You _ be too careful, for your health.AcantBmustntCmay notDneednt41I think all the students love the weekends because, to them, they _ get up early on Saturdays or Sundays.AmustntBdont needCneedntDcant42When people are waiting at the zebra crossing, cars and buses _ wait and let them go first.AmustBmayCcanDneed43Shall I tell him the change of the time right now?Im afraid you _, otherwise he will be late for the meeting.AcanBmayCmustDneed44Look at the floor, Tom! _ you watch TV while having a meal?AShouldBCouldCMustDMay45 Excuse me. I havent finished reading the book yet. May I keep it a bit longer? Sorry, you _. You must return it on time.AneedntBcantCwontDshouldnt46Cars _ give way to walkers on some roads in Binhai, or the drivers will be fined.AmayBwillCcanDmust47Mr. Black _ be at home now. He went abroad on vacation last Friday.AcantBmustntCneedntDshouldnt48Could you tell me how to renew the library books?With pleasure. You _ come to our desk every time. Its easier to renew them online.AcantBmustntCneedntDshouldnt49How beautiful the winter jasmines (迎春花) are!Yes. These golden-yellow flowers _ be widely seen in my city in March.AmustBcanCwouldDshould50Is that Mr Zhou?It _ be him. He has gone to Beijing.AcanBmayCcantDshouldnt【参考答案】*试卷处理标记，请不要删除一、选择题1A解析：A【详解】句意：你必须重新写报告，因为根本不允许有拼写错误。考查情态动词。must必须；can能够；may可以；could能够。根据“spelling mistakes are not allowed at all”可知，拼写错误是不被允许的，所以报告必须重写。故选A。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。3A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。4C解析：C【详解】句意：你应该小心你的相机。它很贵！考查情态动词辨析。can可以；will将；should应该；may可能。根据“It costs!”可知相机很贵，应该小心。故选C。5A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。cant不可能是，表示有把握的否定推测；shouldnt不应该；mustnt禁止；neednt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。6D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。7D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。8D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。9C解析：C【详解】句意：小心！火有时候会很危险。好的。我马上把火扑灭。考查情态动词辨析。mustnt禁止；should应当；can会、能；neednt不需要。根据前句“Be careful!”可推知，应是说火有时候会很危险，故情态动词应用can。故选C。10D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。11C解析：C【详解】句意：爸爸，我们一定要等绿灯吗？是的，恐怕我们必须这样做。这是交通规则。考查情态动词。may可能；can可以；have to必须；need需要；根据“must we wait until the light becomes green”及“Thats the traffic rule”可知，每个人都必须要遵守交通规则，应用have to，故选C。12A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。13A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。14A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。15A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。16A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。17A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。18C解析：C【详解】句意：佐伊，你认为网上购物最大的优势是什么？至少我不需要花很多时间逛商店。考查情态动词。shouldnt不应该；cant不能；neednt不需要；mustnt一定不要，禁止。根据句意可知，网上购物的最大优点是不需要花很多时间逛店。“neednt”表示“不需要”，故选C。19C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。20B解析：B【详解】句意：请不要发出那么多噪音。我不能很好地听清楚发言者的话。考查情态动词辨析。neednt不必，指没必要；cant不能，指不能够；shouldnt不应该，表建议；mustnt不能，表禁止。根据上文“Please dont make so much noise”可知，别人发出了太多噪音，所以他“不能够”听见演讲者的话，需用情态动词cant。故选B。21A解析：A【解析】句意“这个小男孩非常的勇敢，我敢说，他敢爬上那棵高的树”。dare既可作情态动词，也可作实意动词。做情态动词时，无人称与数的变化，且空后用动词原形；做实意动词时，有人称和数的变化，用dare to do sth。第一空排除C。第二空即可写成dare climb也可写成dares to climb，故选A。22A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。23A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getusedtoitinwinter“习惯冬天游泳”可知，应该是“不能”习惯冬泳，用cant，故答案选A。24B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】25B解析：B【详解】句意：这周五郎朗会去艺术中心表演吗？是的。一定是他。他在这里已经三天了。考查情态动词。might也许；must必须；mustnt禁止；may也许。根据“Yes.”和“He has been here for three days.”可知，此处表示非常肯定的推测，故选B。26A解析：A【详解】句意：大部分年轻人喜欢网上购物，因为他们不需要花费大量时间从一家店到另一家店。考查情态动词的用法。neednt不必；cant不能；mustnt禁止；shouldnt不应该。根据句意可知，年轻人喜欢网上购物，是因为他们不必把时间花在来回逛商店上。故选A。27C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。28B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。29C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。30B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。31B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。32B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。33B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。34C解析：C【详解】句意：根据规定，使用过的电池应丢弃在红色的有害废物箱中。考查情态动词辨析。may也许；would将会；should应该；might可能。根据“used batteriesbe dropped in the red bin for harmful wastes”可知，使用过的电池应丢弃在红色的有害废物箱中，故选C。35D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。36C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。37A解析：A【详解】句意：我可以看你的身份证吗？我们必须检查一下你的个人信息。当然可以。给你。考查情态动词。may可以，表请求或许可；need需要，指有必要；should应该，表建议；must必须，强调主观意愿。根据答语“Sure. Here you are”，可推断问句是征求对方的许可，故选A。38C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。39C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。40A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。41C解析：C【详解】句意：我认为所有的学生都喜欢周末，因为对他们来说，他们不必在周六或周日早起。考查情态动词。mustnt禁止；dont need不需要；neednt不必；cant不能。根据“to them, they . get up early on Saturdays or Sundays”结合常识可知周六或周日学生么不必早起。根据“get”可知，此处是neednt do sth短语，故选C。42A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。43C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。44C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。45B解析：B【详解】句意： 原谅我，我还没有读完这本书。我可以再借一段时间吗？ 抱歉，你不可以。你必须准时归还。考查情态动词。neednt没有必要；cant不可以、不允许；wont不会；shouldnt不应该。根据“You must return it on time.”可知，不可以再借一段时间， cant不允许，不可以。再者对“May I .?”的否定回答，一般用cant或者mustnt。故选B。46D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。47A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