一、选择题1.He like coffee. I see him drink a cup at times.A.must B.may C.can’t D.mustn’t2.-Listen! A wolf is crying!-It _______ be a wolf, because a wolf never comes out at this time.A.mustn’t B.needn’t C.can’t D.don’t3.―I can't stop smoki ng, Doctor.―For your health, I'm afraid you .A.must B.can C.need D.have to4.All passengers_____ go through safety check before they take a plane.A.may B.can C.must D.need5.—Is that cap Bob’s?—No, it ________ be his. His is blue.A.can’t B.mu stn’t C.needn’t D.may not6.---Mum, must I finish my homework today?---No, you . Tomorrow is Sunday and you may have a rest today.A.shouldn’t B.mustn’t C.can’t D.don’t have to 7.You look quite tired. You'd better ________ a good rest.A.stop to have B.stop having C.to stop to have D.to stop having 8.—Tom, we’re going shopping at eight, right?—Yeah, but I ______ be a little late, so don’t wait for me.A.may B.should C.mustn’t9.You __ drive your car so fast. It's very dangerous.A.wouldn't B.shouldn't C.couldn't D.mightn't 10.—I’d like ________ Guo Jingming’s Tiny Times.—You had better________ his books. The stories he tells are far from real life.A.buying, don’t read B.to buy, not readC.buying, not read D.to buy, not to read11.—Susan, someone is waiting for you on the phone. It_______ be your sister, but I’m not sure.—Oh, please tell her to call me_______ because I’m busy now.A.might; later B.must; later C.might; late D.must; late12.I’m sorry, children over 1.4 meters________pay the full pric e for the show.A.may B.must C.can D.ought to13.— May I have some wine?— No, you . You have to drive home later.A.shouldn't B.needn't C.mustn't D.may not14.— Must I finish the homework now?— .You can do it later.A.No, you needn’t B.Yes, you must C.No, you can’t 15.Everyone______ be polite to their parents.A.could B.may C.should D.can 16.—Mum, I’ve signed for a big box by Future Express (快递). What’s in it?—I’m not sure. It ________be a present from your brother.A.need B.must C.may D.will17.(2017 • 湖北省宜昌市中考)—Life is becoming convenient with the Internet.—That’s true! Almost everything be done online.A.must B.would C.should D.can18.—Must I sleep now? —No, you________.A.needn't B.mustn't C.can't D.may not19.My head teacher has made a set of rules to show what we students ________ and ________ not do in class.A.must; must B.will; willC.need; need D.might; might20.—I often see Maria in the library, and she _________ like reading best.—That’s right.A.need B.may C.must D.can21.— Could you play the piano when you were 8 years old?— ________.A.Yes, I could B.No, I can’t C.Yes, I can D.No, I won’t 22.The milk tastes bad. You’d better_______.A.throw it away B.to throw it awayC.throw them away D.to throw them away【参考答案】***试卷处理标记,请不要删除一、选择题1.B解析:B【解析】【详解】句意:他可能喜欢咖啡。
我看见他有时喝一杯。
A. must必须;B. may可能;C. can’t不能;D. mustn’t禁止。
根据下文I see him drink a cup at times.可知上文是可能喝咖啡。
根据题意,故选B。
2.C解析:C【详解】句意:--听! 狼在叫! --它不可能是狼,因为狼从来不会在这个时候出来。
A. mustn’t禁止;B. needn’t没有必要;C. can’t不可能;D. don’t构成一般现在时的否定句。
根据“because a wolf never comes out at this time因为狼从来不会在这个时候出来”,可推断它不可能是狼,故选C。
【点睛】情态动词表推测的用法:can表示“可能”;can’t表示“不可能”;may表示“可能”,must表示“一定”,注意mustn’t表示“禁止”不表示推测,表示否定推测要用can’t.3.D解析:D【解析】【详解】句意:——我不能戒烟,医生。
——为了你的健康,恐怕你得这么做。
考查情态动词辨析。
must必须,强调主观意愿;can能,表能力或许可;need需要,指有必要;have to必须,强调客观需要。
根据“For your health为了你的健康”,可知无论愿不愿意戒烟是健康所需,故选D。
4.C解析:C【解析】【详解】句意:所有乘客在乘坐飞机前必须经过安全检查。
考查情态动词辨析。
may可以,表许可或请求;can能,表能力或许可;must必须,指一定;need需要,指有必要。
根据句意语境可知,安检强调“必须,一定”,故选C。
5.A解析:A【解析】【详解】句意:——那顶帽子是Bob的吗?——不,那不可能是他的。
他的是蓝色的。
考查情态动词表推测。
can’t 不可能,否定推测;mustn’t 禁止,不表推测;needn’t 不需要;may not 可能不是,表不确定的推测。
根据回答“No”和“His is blue.”可知这里说话者表达完全否定推测,故选A。
【点睛】在情态动词表推测时,很多同学会搞混can’t和mustn’t,认为他们都表示完全否定的推测,在做题时容易误选。
can’t 不可能,表示完全否定的推测,但是mustn’t 禁止,并不用于表推测。
6.D解析:D【解析】【详解】句意:——妈妈,我今天必须完成作业吗?——不,你不必这么做。
明天是星期天,你今天可以休息一下。
考查情态动词辨析。
A. shouldn’t不应该,表建议;B. mustn’t一定不,表禁止;C. can’t不能,表示不允许;D. don’t have to不必,指没有必要。
回答must引起的一般疑问句,如果要作否定回答,一般是用needn’t(不能用mustn’t)或not have to。
根据句意语境,可知选D。
7.A解析:A【解析】【详解】句意:你看起来相当累,你最好停下来好好休息。
短语stop doing sth.表示“停止做某事”;stop to do sth.表示“停下来去做某事”。
根据“You look quite tired.”可知下文是停下来去休息;You'd better+动词原形,表示“你最好做某事”;根据题意,故选A。
8.A解析:A【解析】【详解】句意:——Tom,我们8点将会去购物,对么?——是的,但是我可能会晚一点,所以不要等我。
考查情态动词词义辨析。
A. may可能;B. should应该;C. mustn’t禁止。
根据句意可知是可能会晚到。
故选A。
9.B解析:B【解析】【分析】【详解】句意:你不应该开车这么快。
太危险了。
考查情态动词。
wouldn't不会;shouldn't不应该,表建议;couldn't不能,表不许可; mightn't不可能,表示否定性推测。
根据下文It's very dangerous.可知不应该开车这么快,故选B。