八年级英语情态动词练习题及解析.doc

八年级(完整版)英语情态动词练习题及解析一、选择题1Youd better _ hard from now on, _ you will fail the exam.Awork; andBworking; orCworking; andDwork; or2To my joy, we_ go to the bank. Mary has lent us some money.AshouldntBneedntCcouldntDwouldnt3I dont care what people think.Well, you _ . Some opinions are worth weighing.AshouldBmightCcouldDwould4You _ drive after drinking alcohol(酒). Its against the law.AmustntBneedntCcouldntDwouldnt5I think they are enough. We _ make so many chairs.I dont think so. Because nearly a quarter of them need _.Adont need to; mendingBneeded; to be mendedCdont need; mendDneed; to mend6You _ be careful with the camera. It costs!AcanBwillCshouldDmay7Whos singing next door? Is it Miss Wang?It _ be her. Shes having the board meeting.AcantBshouldntCmustntDneednt8Sorry, smoking is not allowed here. If you _ , you will be fined according to the rules.AcanBwillCmayDmust9There is a knock at the door.It _ be my mom. She always comes back home at this time.AmayBmay notCmustDcant10We shouldnt throw any objects from the building. Even a small object _ cause serious injuries or death, when dropped from a great height.AmustBshouldCmayDneed11Our Chemistry teacher always tells us we _ be too hardworking before the exams.AmustntBshouldntCneedntDcant12In 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.AcanBshouldCmustDneed13You _ write the report again because spelling mistakes are not allowed at all.AmustBcanCmayDcould14How beautiful the winter jasmines (迎春花) are!Yes. These golden-yellow flowers _ be widely seen in my city in March.AmustBcanCwouldDshould15 Mom, must I clean my room now? No, you _. You can do it after dinner.AneedntBmustntCshouldntDcant16Its amazing that the pen _turn voice into text with few mistakes.AcanBmustCmayDneed17Please dont make so much noise. I _ hear the speaker very well.AneedntBcantCshouldntDmustnt18The boy is very braveI _ he _ the tall treeAdare say; dares to climbBdare to say; dare climbingCdare saying; dares climbDdare to say; dares climbed19-Will you be back early this evening?-Yes, but I _ be a little late. Our boss sometimes has extra work for us.AmayBmustCneedDwill20Weve discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay21When I was young, my father _ take me to climb the hill which was not far from our house.AmayBmustCwouldDshould22You _ pay too much attention to your pronunciation, as it is so important in the oral（口头的） test.AshouldntBmustntCcantDneednt23 Ready? Lets get started, Martin. Swimming? I just _get used to it in winter.AcantBneedntCmustntDshouldnt24Think twice before making a decision, or you _ get into trouble.AmayBcantCshouldntDmustnt25Dad, must we wait until the light becomes green? Yes, I am afraid we _. Thats the traffic rule.AmayBcanChave toDneed26Is it usually warm in Yancheng in May?Yes. But it _ be rather cold sometimes.AmustBshouldCwouldDcan27Could I join you in the programme?Sorry, you _. You are too young.AshouldntBmustntCcantDneednt28Who is singing next door? It sounds like a young girls voice.It _ be Jane. But she seldom sings English songs.AneedBmustCmayDcan29You _ require others to do with the problem like you. Everyone has his own way.AmustntBneedntCmay notDshouldnt30I must go to school today, _?No, you _.You can go as soon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt31How do you like my new dress? Well, if I _ say, it is not suitable for you.AmayBmustChave toDshould32 Excuse me, could you tell me where the Nanjing Brocade Museum is? Go along this road for five minutes. You _ miss it. Its a huge building.AmustntBcantCneedntDshouldnt33Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not34Mum, why do I have to wear a mask before entering the supermarket?For your health and safety, you _ be too careful.AshouldntBcantCmustntDneednt35 What is that young ladys job? She _ be a nurse, Im not sure.AmustBmayCneedDwould36According to the rule, used batteries _ be dropped in the red bin for harmful wastes.AmayBwouldCshouldDmight37Whos the man over there? Is that Mr. Black? It _ be him. Mr. Black is much taller than that man.AmayBmustCcantDmustnt38Weve discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay39Is 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.AmustBshouldCcanDneed40You _ pay too much attention to protecting yourself if you plan to go abroad.AmustntBcantCshouldntDneednt41Seventy dollars for such a dress! You _ be joking!Im serious. Its made of silk from Hangzhou.AmustBneedCwillDcan42Must 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; for43 Excuse me. I havent finished reading the book yet. May I keep it a bit longer? Sorry, you _. You must return it on time.AneedntBcantCwontDshouldnt44Youve got an A in the maths test again. You _ be good at it.AcanBmayCmustDshould45Mr. Black _ be at home now. He went abroad on vacation last Friday.AcantBmustntCneedntDshouldnt46 The sandstorm in Beijing is so serious this year. Yes, I wonder when we _ worry about the air we breathe.AcantBmustntCneedntDshouldnt47Could you tell me how to renew the library books?With pleasure. You _ come to our desk every time. Its easier to renew them online.AcantBmustntCneedntDshouldnt48For the safety of the passengers, objects like guns _ be carried on board.Amay notBneedntCmight notDmustnt49The article says that a persons animal sign decides his personality.You _ read it for fun, but dont believe in that.AcanBmustCshouldntDneednt50Must I finish all my homework today, Mum?No, you _, my dear. You can finish some tomorrow if you like.AneedntBshouldntCcantDmustnt【参考答案】*试卷处理标记，请不要删除一、选择题1D解析：D【详解】句意：你最好从现在开始努力学习，否则你考试会不及格的。考查情态动词和连词辨析。had better do sth最好做某事，排除BC。and和；or否则。分析“you will fail the exam”可知，如果不努力就会不及格，or“否则”符合语境，故选D。2B解析：B【详解】句意：使我高兴的是，我们不必去银行了。玛丽借给了我们一些钱。考查情态动词辨析。shouldnt不应该；neednt不必，不需要；couldnt不可能；wouldnt不会。由“Mary has lent us some money”可知，玛丽已经借给我们钱了，所以我们不必再去银行了。故选B。3A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。4A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。5A解析：A【详解】句意：我想足够了。我们不需要做这么多椅子。我不这么认为。因为将近四分之一需要修理。考查need的用法。根据“I think they are enough. ”可知，第一处表示“不需要”，排除BD。need doing=need to be done表被动，故选A。6C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。7A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。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：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。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。11D解析：D【详解】句意：我们的化学老师总是告诉我们考试前怎样用功都不为过。考查情态动词辨析。mustnt不能，表禁止；shouldnt不应该，表建议；neednt不必，指没有必要；cant不能，表没有能力或不许可。根据题干“webe too hardworking before the exams”，可知是“cant be too +形容词”结构，表示“再也不为过”。故选D。12C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。13A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。14B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。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：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。17B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。18A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。19A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。20D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”。21C解析：C【详解】句意：在我小的时候，我的父亲会带我去爬山，那离我们家不远。考查情态动词。may可能；must一定；would将要；should应该。本题考查情态动词的用法，由When I was young 可知，when引导的从句为一般过去时，因此主句应为过去的某种时态；再结合句意及选项，可知C选项符合题意，would+动词原形是过去将来时；故答案选C。22C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。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。24A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。25C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。26D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。27C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。28C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。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。30B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。31C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。32B解析：B【详解】句意：打扰一下，你能告诉我南京锦绣博物馆在哪里吗？沿着这条路走五分钟。你不会错过的。它是一座巨大的建筑。考查情态动词辨析。mustnt不能，表禁止；cant不可能，表否定推测；neednt无需，指没有必要；shouldnt不应该，表建议。根据下文“Its a huge building”，可知不可能错过这么大的一座建筑，ACD三项不合语境，故选B。33B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。34B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。35B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。36C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。37C解析：C【详解】句意：那边那个人是谁？ 是布莱克先生吗？ 不可能是他。布莱克先生比那个人高得多。 考查情态动词。may可能；must一定；cant不可能；musnt禁止。根据“Mr. Black is much taller than that man.”可知，这个人不可能是布莱克先生。故选C。38D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。39A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。40B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。41A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