英语高中情态动词练习题及解析一、单项选择情态动词1Lack of sleep _ lead to weakened immunity and memory, and also slow physical growth.AshallBmustCshouldDcan【答案】D【解析】【详解】考查情态动词辨析。句意：睡眠不足会导致免疫力和记忆力下降，还会减缓身体发育。A. shall将；B. must必须；C. should应该；D. can会，表示理论上或是逻辑判断上，用can，故选D。2I dont really like Janes. Why did you invite him?Dont worry. He come. He said he wast certain what his plans were.Amust notBneed notCwould notDmight not【答案】D【解析】考察情态动词，题干中的he wasnt certain说明他可能不来，可能来，因此使用不完全否定，might not。3I still find it hard to imagine that such a clever child _ make such a foolish mistake.AshallBmustCcanDshould【答案】D【解析】【详解】考查情态动词。 句意：我仍然难以想象这样聪明的孩子竟然犯这样愚蠢的错误。should 作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为竟会、居然，这么聪明的孩子竟然犯这样愚蠢的错误。表示意外，shall表示允诺，命令等，must表示必须，can表示能力及可能性。所以答案选D。4My sister met him in the street yesterday afternoon, so he _ your lecture.Ashouldnt have attendedBcouldnt have attendedCmustnt have attendedDneednt have attended【答案】B【解析】试题分析：考查情态动词用法。Shouldnt have done本不应该做某事，实际上却做了（虚拟语气）；couldnt have done不可能做某事（对过去情况的推测）；neednt have done本不需要做某事，实际上却做了（虚拟语气）；句意：我的姐姐昨天下午在街上遇见了他，所以他不可能去听了你的演讲。故B正确。考点：考查情态动词用法点评：考本题是高考必考考点，一定要牢记句型意思。must have done过去肯定做了某事。should have done 本应该做而实际未做。cant have done 过去不可能做了某事；shouldnt have done 本不应该做而实际做了。 need have done 本有必要做某事；neednt have done 本没有必要做某事；注意没有 mustnt have done的形式。5The weather turned out to be fine. I _ the trouble to carry the umbrella with me.Ashould have takenBmust have takenCcouldnt have takenDneednt have taken【答案】D【解析】【详解】考查情态动词 + have done。句意：天气转晴了。我本不必费心把伞带在身边。A. should have taken本应该做某事，而实际上没做； B. must have taken对过去发生的事情的肯定猜测；C. couldnt have taken不可能；D. neednt have taken本来不需要，故选D。6-Can I pay the bill by credit card?-Sorry, sir. But it is the management rules of our hotel that payment _ be made in cash.AshallBneedCwillDmust【答案】A【解析】【详解】考查情态动词词义辨析。A. shall用于法律法规或条文中，表示义务、规定等；B. need需要；C. will会；D. must必须。句意：我能用信用卡支付么？对不起，先生，现金支付是我们酒店的管理规定。故A项正确。7Mark _ have hurried. After driving at top speed, he arrived half an hour early.AneedntBwouldntCmustntDcouldnt【答案】A【解析】 考查情态动词。needt have done 本不必要做某事，句意：迈克本不必要着急的。他以全速驾驶后，他早到了半个小时。wouldnt不会，mustnt禁止，couldnt不可能，所以选A。8I love the weekend, because I _ get up early on Saturdays and Sundays.AmustntBneedntCwouldntDshouldnt【答案】B【解析】【详解】考查情态动词。句意：我喜欢周末，因为周六周日不必早起。A. mustnt不能，禁止；B. neednt不必；C. wouldnt不会；D. shouldnt不应该。此处表示“不必”，故B项正确。9Traveling by subway _ sometimes be quite an adventure, especially during the rush hour.AmustBcanCshallDshould【答案】B【解析】【详解】考查情态动词。句意：乘地铁旅行有时可能相当冒险，尤其是在交通高峰期。A. must必须；一定；B. can能够；可能；C. shall将会；D. should应该；应当。本句中can表示客观可能性（客观原因形成的能力），故选B。10Whats wrong with you?Oh, I am sick. I _ so much ice cream just now.Ashouldnt eatBmustnt eatCcouldnt have eatenDshouldnt have eaten【答案】D【解析】【详解】考查情态动词和虚拟语气。句意：你怎么了？我生病了，我刚才不应该吃那么多冰激凌。A. shouldnt eat不应该吃；B. mustnt eat禁止吃；C. couldnt have eaten不可能吃；D. shouldnt have eaten本来不应该吃。根据just now可知，是发生在过去，故选D。11I feel a little nervous.Take it easy. You _ have difficulty passing the exam when you have prepared for it well.AmustntBneedntCmay notDshouldnt【答案】D【解析】【详解】考查情态动词。句意：我觉得有点紧张。不要着急。当你准备充分时，通过考试应该不会有困难。A. mustnt禁止，不允许；B. neednt不必；C. may not可能不会；D. shouldnt不应该。结合句意可知答案为D。12The professor warned the students that on no account _ use mobile phones in his class.Ashould theyBthey shouldCdare theyDthey dare【答案】A【解析】【详解】考查部分倒装和情态动词。句意：这位教授警告学生们，在他的课堂上，决不应该使用手机。on no account意为“决不”，否定词放在句首，句子使用部分倒装，排除B、D项；这里表示应该，故选A。13 Mum, little Ray broke his toys again!It doesnt matter. You see, accidents _happen.AshallBshouldCmustDwill【答案】D【解析】【详解】考查情态动词辨析。句意：妈妈，小雷又弄坏了他的玩具。没事的，你看，意外总会发生。A. shall将要，会；B. should应当；C. must必须；D. will总是。Will可以表示习惯，意思为“惯于，总是”。故D选项正确。【点睛】will/would是情态动词，其表达的意思如下。(1)表示意志或意愿：决心，愿意，好吗?We will do our best to save the child. 我们会尽力抢救这个孩子。I told her to stop crying, but she just wouldnt listen. 我叫她别哭，可她就是不愿听。注：表示请求、建议或征求对方意见时，用Would you? 比用Will you?更婉转。如：Will/Would you please keep the door open? 请让门开着好吗?Will/Would you go with me? 你愿意和我一起去吗?(2)表示真理或习惯：惯于，总是。如：Oil will float on water. 油总是浮在水面上。She will listen to music alone in her room for hours. 她独自在房间里听音乐，一听往往就是几小时。He would get up early when he lived in the country. 他住在乡下时总是早起。(3)表示要求：一定，必须。如：You will report to me afterward. 你稍后一定要向我报告。(4)表示猜测：可能，大概。如：This will be the house youre looking for. 这大概就是你找的那所房子了。(5)表示功能：能。如：This auditorium will/would seat one thousand people. 这个礼堂能容纳一千人分析句子可知，本句中的will表示习惯，意思为“惯于，总是”且符合语境。故D选项正确。14He is a bad-tempered fellow, but he _ be quite charming when he wishes.AshallBshouldCcanDmust【答案】C【解析】【详