一、选择题1.—Sorry, Ms Wang. I left my homework at home. Must I hand it in today?—No, you_______ . You_______ bring it here tomorrow.A.mustn’t; should B.needn’t; must C.mustn’t; may D.needn’t; can 2.—Must I finish the work today, Mum?—No, you ________.You can finish it tomorrow.A.mustn't B.can't C.shouldn't D.needn't 3.(2018·山东临沂) Could you please speak a little louder? I ______ hear you very well. A.can’t B.mustn’tC.shouldn’t D.needn’t4.— Do you think it is safe to shop online?— I think so. On Taobao, customers return goods with no questions asked,but they ______ pay delivery costs.A.can’t; can B.must; must C.can; have to D.mustn’t; can 5.I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.A.can B.may be C.might D.must6.The designer has tried every possible way to make the robot light, so you _____ worry about its weight.A.must B.may C.can’t D.needn’t7.—________your house be cleaned right now?—No,it needn't.It may be cleaned this afternoon.()A.Must B.May C.Can8.---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 9.A: Is Jim coming by train?B: I’m not sure. He _______ drive his car.A.must B.may C.need D.should 10.—Must I finish my homework this evening?—No,you ________.You have a three﹣day holiday.A.won't B.mustn't C.needn't 11.—Doesn’t Frank like staying at home and looking after his little sister?—_______, but he ________ because both of his parents work.A.Yes; has to B.No; has toC.Yes; doesn’t have to D.No; doesn’t have to12.-Mum, must I stay there the whole day?-No, you__________. You__________ come back after lunch, if you like.A.mustn’t; can B.needn’t; must C.needn’t; may13.I see the blackboard. I need to have my glasses.A.can B.can’t C.must D.mustn’t 14.—Can you come to my party on Saturday afternoon?—Sorry, I can’t. I ________ meet my friends.A.can’t B.might have to C.needn’t15.—Jenny, we buy Mom presents. We can clean the house from top to bottom.—Good idea! It’s a special present for Mother’s Day.A.can’t B.mustn’tC.shouldn’t D.needn’t16.Everyone______ be polite to their parents.A.could B.may C.should D.can17.—The food ________be delicious . You ate it up .—You bet . My mum cooked it for me .A.must B.may C.can D.need18.Will you please________them________the Birdwatching Society?A.inviting; join B.to invite; to join C.invite; to join D.to invite; join 19.—Could you help me download some Taylor Swift’s songs from Ku Gou?—Sorry, people download music from the Internet without paying, because it’s against the law. A.wouldn’t B.needn’tC.mustn’t D.couldn’t20.— May I watch TV for a while?— No, you __________. You have to finish your homework first.A.can’t B.needn’t C.mustn’t D.won’t21.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; might22.— Mom, I got a big box from express(快递). What is it?—I’m not sure. It ________be a present from your grandmother.A.should B.might C.must D.will【参考答案】***试卷处理标记,请不要删除一、选择题1.D解析:D【解析】【详解】句意:——抱歉,王老师,我把我的作业落在家里了,我今天必须上交吗?——不,你不需要,你可以明天把它带到这。
考查情态动词辨析;mustn’t表禁止;needn’t不需要;should应该;must必须;may可能;can能,可以,根据Must引导的一般疑问句,否定回答用needn’t,排除A和C,由语境可知,第二个空应该是你可以明天把它带到这,排除B,故选D。
2.D解析:D【解析】【详解】句意:-我必须今天做完这个工作吗,妈妈?-不,你不必。
你可以明天完成。
mustn’t禁止,不要;can’t不能,不会;shouldn’t不应该;needn’t不必,没有必要。
Must 的一般疑问句,肯定回答用must,否定回答应用needn’t。
故选D。
3.A解析:A【解析】【详解】句意:请你说大点声好吗?我不能很好地听到你说的话。
考查情态动词辨析。
can't不能,表示不能够;mustn't不许,表禁止;shouldn’t不应该,表劝诫;needn’t无需,表示没必要。
本句表示“不能够”,根据句意语境,可知BCD三项意思都与句意不合,故选A。
4.C解析:C【解析】【详解】句意:——你认为网上购物安全么?——我觉得是的。
淘宝上,消费者可以无理由退货,但是他们要承担运费。
考查情态动词辨析。
A. can’t; can不能,能;B. must; must必须,必须;C. can; have to可以,不得不;D. mustn’t; can禁止,能。
根据句意表示的是顾客能退货,是可以,第一空用can;但是不得不承担运费,非主观情愿用have to。
故选C。
5.C解析:C【解析】【详解】句意:乔的生日我给她买了一条漂亮的项链。
她可能会喜欢,但是我不确定。
考查情态动词表示推测。
can表示能、可以;may表示可能,might是其过去式;must表示一定、必须。
根据题干中but I'm not sure.可知可能性较小的推测,则可用may或者might,B项中may后有系动词be,原句中有动词like,则只能用might。
故选C。
6.D解析:D【解析】【分析】【详解】句意:设计者已经尝试了所有可能的方法使机器变轻,所以你不必担心它的重量。
must必须;一定;may可以;可能;can’t不能;不可能;needn’t不必,没有必要。
根据句意The designer has tried every possible way to make the robot light可知,设计者在努力使机器变轻,所以担心是没有必要的。
故应选D。
7.A解析:A【解析】【详解】句意:——你的房子必须现在打扫吗?——不,不必。
可以今天下午打扫。
考查情态动词辨析。
must 必须;may 可以;can 能。
根据下文回答needn't 不必,可知,上文的一般疑问句中用助动词must表示“必须”。
故选A。
【点睛】情态动词must表示“必须”,由must引起的疑问句中,肯定答语用must,否定答语用needn’t或don’t have to,表示“不必”。