人教版必修三Unit-2语法专题练习-情态动词.doc

.选词填空1You mustnt go there alone; its too dangerous.(mustnt/neednt)2Its so near; we shouldnt have taken a taxi.(shouldnt/cant)3You oughtnt_to have spent so much time playing computer games.(mustnt/oughtnt to)4Shall I leave the room so that you two can talk?No, you neednt(mustnt/neednt)5He cant have missed the train；he arrived at the train station two hours early.(cant/mustnt)6Well be very glad if you can join us in going camping.(can/may)7They had_to stay in the office last night because of the snowstorm.(have to/must)8We should have helped him; in that case, he would have been able to finish the work.(should/can).单项填空1 I think well give Bob a ring. We _.We have been out of touch with him for ages.Awill BmayChave to Dought to解析：选D。后句句意：我们应该给他打个电话。我们很长时间没跟他联系了。ought to“应该”；will “意愿”；may “可以；可能”；have to“不得不”。根据句意，D正确。2 Write to me when you get home. _.AI must BI willCI should DI can解析：选B。答应某人做某事，要用I will表示“一定”或“我决心做某事”。根据对话的语境，B项正确。3 Susan doesnt mind lending you her digital camera. She _.Ive already borrowed one.Acant BmustntCneednt Dshouldnt解析：选C。既然“我已经借了一个”，所以“她就没有必要借给我了”。neednt在此表示“不必”。C项正确。4 James, how did your English exam go? I thought I _， but in fact I came in the top 10 in the class.Ashould have failed Bcouldnt have failedCmight have failed Dmustnt have failed解析：选C。“mighthavedone”表示对已经发生的事情的一种猜测，根据语境，C项正确。5 What does the sign over there read? “No person _ smoke or carry a lighted cigarette, cigar or pipe in this area.”Awill BmayCshall Dmust解析：选C。shall用于第二、三人称的陈述句，表示说话人给对方的命令、警告等。根据句意，C项正确。6You cant imagine such a welleducated gentleman _ be so rude to an old man.Amight BmustCshould Dwould解析：选C。句意：你难以想象一个受过良好教育的绅士居然对一位老人那么粗鲁。should在这里表示惊讶或出乎意料。7There was a lot of fun at yesterdays party. You _ come, but why didnt you?Amust have BshouldCneed have Dought to have解析：选D。句意：昨天的聚会很有趣。你应该来的，但为什么没来呢？ought to have done“本应该做(而没有做)”，D项符合题意。8 What do you think we can do for our aged parents? You _ do anything except to be with them.Adont have to Boughtnt toCmustnt Dcant解析：选A。句意：“你认为我们能为年迈的父母做点什么呢？”“除了多陪陪他们不必做什么。”dont have to相当于neednt，意为“不必”符合句意。oughtnt“不应该”；mustnt“不可以”；cant“不能”。9As it turned out to be a small house party, we _ so formally.Aneednt dress upBshouldnt dress upCwere not necessary to dress upDneednt have dressed up解析：选D。由句意可知，事实上，我们穿得很正式去参加了一个家庭舞会，但参加了才知道是一个small house party，感觉自己没有必要穿得如此正式。neednt have done “过去本不需要做某事(但实际上做了)”，D项符合句意。10 As you worked late yesterday, you _ work this morning. Thank you!Aneednt BmayntCcant Dmustnt解析：选A。句意：“昨天你工作到很晚，所以今天上午你不必工作。”“谢谢！”neednt do sth.“不必做某事”，符合句意。mustnt“禁止做某事”。11May I take this book out of the reading room?No, you_.You read it in here.Amightnt BwontCneednt Dmustnt解析：选D。句意：“我可以把这本书带出阅览室吗？”“不，千万不要。在这儿读吧。”由句意可知此处表示强烈禁止，mustnt“千万别/不要”，表禁止，所以选D项。mightnt表示“可能不”；wont表示“不愿意”；neednt表示“没必要”。12She_have left school, for her bike is still here.Acant BwouldntCshouldnt Dneednt解析：选A。句意：她不可能离开了学校，因为她的自行车仍然在这儿。cant have done“不可能做某事”；wouldnt have done表示虚拟；shouldnt have done“本不该做(却已做了)”；neednt have done“本没必要做(但已做了)”。所以A项正确。13Im sorry.I_at you the other day.Forget it.I was a bit out of control myself.Ashouldnt shoutBshouldnt have shoutedCmustnt shoutDmustnt have shouted解析：选B。句意：“对不起，前几天我不应该对你大喊大叫的。”“算了，我当时也有点失控。”shouldnt have done“本不该做的事却做了”，符合句意。14Sir, you_be sitting in this waitingroom.It is for women and children only.Aoughtnt to BcantCwont Dneednt解析：选A。考查情态动词。句意：先生，你不应该坐在这个等候室里，这是妇女儿童专用的。oughtnt to“不应该”。15Being afraid of makin