八年级英语情态动词专项练习及答案及解析.doc

八年级(完整版)英语情态动词专项练习及答案及解析一、选择题1You _ write the report again because spelling mistakes are not allowed at all.AmustBcanCmayDcould2Dont cross the road until the traffic lights turn green. A car_hit you.AneedBmayCshouldDmust3We teenagers _ have dreams. With dreams and hard work, anything amazing _ be created.Amay; canBmight; shouldCshould; canDmust; has to4Whos singing next door? Is it Miss Wang?It _ be her. Shes having the board meeting.AcantBshouldntCmustntDneednt5Do we have to finish this today?Yes, you _ . Today is the last day.AwouldBmayCcanDmust6Sorry, smoking is not allowed here. If you _ , you will be fined according to the rules.AcanBwillCmayDmust7Hurry up, Jack! Lets cross the road as fast as possible.No, you _. Dont you see the light is still red?AcouldntBwouldntCmustntDneednt8There is a knock at the door.It _ be my mom. She always comes back home at this time.AmayBmay notCmustDcant9Will my car be ready by the end of the day?It _ be, sir. Ill call if theres any problem.AmustBcouldCshallDshould10We shouldnt throw any objects from the building. Even a small object _ cause serious injuries or death, when dropped from a great height.AmustBshouldCmayDneed11Dad, must we wait until the light becomes green? Yes, I am afraid we _. Thats the traffic rule.AmayBcanChave toDneed12I dont care what people think.Well, you _ . Some opinions are worth weighing.AshouldBmightCcouldDwould13Exercise is helpful but it _ be regular (规律的) exercise.AmustBmayCcanDneed14May I have some wine to drink?No, you _. You have to drive home later.AmustntBneedntCcantDmay not15I _ hear you clearly. Would you please repeat it?AmustntBcantCneedntDshouldnt16 Mom, must I clean my room now? No, you _. You can do it after dinner.AneedntBmustntCshouldntDcant17A lot of online resources _ be used either by teachers at school or parents at home.AcanBshouldCneedDmust18If you buy your mum an iRobot floor cleaner, she _ sweep the floor every day.AcantBmustntCneedntDshouldnt19The boy is very braveI _ he _ the tall treeAdare say; dares to climbBdare to say; dare climbingCdare saying; dares climbDdare to say; dares climbed20-Will you be back early this evening?-Yes, but I _ be a little late. Our boss sometimes has extra work for us.AmayBmustCneedDwill21You _ pay too much attention to your pronunciation, as it is so important in the oral（口头的） test.AshouldntBmustntCcantDneednt22Would you please_in that way? Thats not safe!Sorry. I wont do it any more.Anot drivingBnot to driveCno drivingDnot drive23Dr. Zhong Nanshan once said, To prevent the spread of this disease, we_never be too careful.AcanBmayCmustDshould24Will 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.AmightBmustCmustntDmay26I think all the students love the weekends because, to them, they _ get up early on Saturdays or Sundays.AmustntBdont needCneedntDcant27To avoid _, wed better _ the parents meeting online.Agather; holdBgathering; holdCgather; holdingDto gather; to hold28Hurry up, or we _ miss the beginning of the film.AshouldBmustCmayDhave to29You _ require others to do with the problem like you. Everyone has his own way.AmustntBneedntCmay notDshouldnt30How do you like my new dress? Well, if I _ say, it is not suitable for you.AmayBmustChave toDshould31Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not32 Why didnt you tell it to me earlier? Why _ I? I want to have my own secret.AcanBmayCshouldDshall33Mum, why do I have to wear a mask before entering the supermarket?For your health and safety, you _ be too careful.AshouldntBcantCmustntDneednt34 Listen! Tom _ be listening to the music while doing his homework. Lets go upstairs to remind him to turn it off.AshouldBcouldCwouldDmust35Weve 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.AshallBneedCmustDcould37You _ drive after drinking alcohol(酒). Its against the law.AmustntBneedntCcouldntDwouldnt38In 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.AcanBshouldCneedDmust39Could I join you in the programme?Sorry, you _. You are too young.AshouldntBmustntCcantDneednt40Is it usually warm in Yancheng in May?Yes. But it _ be rather cold sometimes.AmustBshouldCwouldDcan41When people are waiting at the zebra crossing, cars and buses _ wait and let them go first.AmustBmayCcanDneed42Look at the floor, Tom! _ you watch TV while having a meal?AShouldBCouldCMustDMay43Cars _ give way to walkers on some roads in Binhai, or the drivers will be fined.AmayBwillCcanDmust44Sometimes smiles _ be false, hiding other feelings like anger, fear or worry.AshouldBwouldCmustDcan45 The sandstorm in Beijing is so serious this year. Yes, I wonder when we _ worry about the air we breathe.AcantBmustntCneedntDshouldnt46For the safety of the passengers, objects like guns _ be carried on board.Amay notBneedntCmight notDmustnt47The article says that a persons animal sign decides his personality.You _ read it for fun, but dont believe in that.AcanBmustCshouldntDneednt48 What do you think of the show yesterday? Some of them were really good but others _ be better.AwillBmustCneedDcan49Whos the man over there? Is that Mr. Black? It _ be him. Mr. Black is much taller than that man.AmayBmustCcantDmustnt50Will Jim come to Yangzhou for a holiday?He _come and it depends on how much homework he will have.AmayBshouldCmustDneed【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。2B解析：B【详解】句意：在交通灯变绿之前不要横穿马路。汽车可能撞到你。考查情态动词。need需要；may可能；should应该；must一定。分析句意可知，交通灯变绿之前横穿马路，汽车有可能会撞到你，故此处应用may表推测。故选B。3C解析：C【详解】句意：我们青少年应该有梦想。有梦想和努力，任何惊人的事都能被创造。考查情态动词。may可能；can能够；should应该；might可能；has to不得不；must必须。第一个空表示“应该”，用should；第二个空表示能力，用can。故选C。4A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。5D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。6D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。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。8C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。9D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。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。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。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：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。15B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。16A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。17A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。18C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。19A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。20A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。21C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。cant too much太也不过分，故选C。22D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。23A解析：A【详解】句意：钟南山院士曾经说过:“要预防这一疾病的传播，我们多么小心也不为过。”考查情态动词。can能、能够；may可以；must必须；should应该。can的否定式和too或enough 连用表示“多么也不为过”，其他情态动词没有这种用法，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。26C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。27B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。28C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。29D解析：D【详解】句意：你不应该要求别人像你一样来处理问题。每个人都有自己的方法。考查情态动词。mustnt不许，表禁止；neednt 不必；may not 也许不；shouldnt不应该；根据“ Everyone has his own way”每个人都有自己的方法；可知，此处指“不应该如此要求别人”。故选D。30C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。31B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。32C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。33B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。34D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。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：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。38D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。39C解析：C【详解】句意：我可以加入你的计划吗？对不起，你不能。你太年轻了。考查情态动词。shouldnt不应该；mustnt禁止；cant不能；neednt没必要；根据“You are too young.”可知，你太年轻了，由此说明你不能参加对方的计划。故选C。40D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。41A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。42C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。43D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。44D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。45C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。46D解析：D【详解】句意：为了乘客的安全，严禁携带枪支等物品登机。考查动词辨析。may not也许不；neednt不需要；might not也许不；mustnt禁止。根据“For the safety of the passengers, objects like gunsbe carried on board.”可知，禁止携带枪支，故选D。47A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 belie