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【英语】2018届二轮复习情态动词、虚拟语气典题80题练与析(二)学案(13页)
2018届二轮复习 情态动词、虚拟语气典题80题练与析 1.Tom, you leave all your clothes on the floor like this! A.wouldn’t B.mustn’t C.needn’t D.may not 〖答案〗B〖考点〗考查情态动词。〖解析〗wouldn’t用以提示客气的请求;mustn’t表示禁止, 不允许;needn’t表示没必要;may not表示不可以。根据语境要求Tom不许把衣服放在地板上。 2.John, look at the time.________you play the piano at such a late hour? A.Must B.Can C.May D.Need 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗must在此处显示出说话人的不快, 有 “难道非要”的意思。 3.He______have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside. A.should B.must C.wouldn’t D.can’t 〖答案〗B〖考点〗考查情态动词表猜测的用法。〖解析〗由句意 “他一定是已经完成工作了;否则, 他就不会在海边玩得那么高兴。”可知是对过去发生事情的肯定推测。 4.There______be any difficulty about passing the road test since you have practised a lot in the driving school. A.mustn’t B.shan’t C.shouldn’t D.needn’t 〖答案〗C〖考点〗本题考查情态动词的用法。【解析〗句意为:因为你在驾校已经训练了这么多, 通过路考一定没有什么困难。本句中表达出劝慰对方的语气。mustn’t表示 “禁止, 不允许”, 表示警告或命令; shan’t表示 “将不会”;shouldn’t表示据情况推测 “理应……”;needn’t表示 “不必……”。 5.I________have been more than six years old when the accident happened. A. shouldn’t B.couldn’t C.mustn’t D.needn’t 〖答案〗B〖考点〗考查对过去发生的情况的推测。〖解析〗couldn’t have done是对过去发生情况的否定推测, 其肯定形式同样是对过去发生情况的推测, 意为 “可能已……”。shouldn’t have done本来不应该……, 但实际已经……;needn’t have done本来不需要……, 但实际上已经……;must表示推测时, 只用在肯定句中。故选B项。 6.This cake is very sweet. You ______a lot of sugar in it. A.should put B.could have put C.might put D.must have put 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:这蛋糕, 非常甜。你一定放了许多糖在里面。 7.The World Wide Web is sometimes jokingly called the World Wide Wait because it ________be very slow. A.should B.must C.will D.can 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗此处表达一种可能性, 要用can, 其他三项都表示主观情态。should应该, 义务, must必须, 一定, will将会, 都与句意不符。 8.—Catherine, I have cleaned the room for you. —Thanks.You it. I could manage it myself. A.needn’t do B.needn’t have done C.mustn’t do D.shouldn’t have done 〖答案〗B〖考点〗考查情态动词的完成式和一般式的区别。〖解析〗needn’t do不需要做……;mustn’t禁止做……, 都用于现在的动作;needn’t have done表示做了本来不必去做的事;shouldn’t have done是本不该做却做某事。 9.—Lucy doesn’t mind lending you her dictionary. —She________.I have already borrowed one. A.can’t B.mustn’t C.needn’t D.shouldn’t 〖答案〗C〖考点〗考查情态动词的辨析。〖解析〗根据后面的句子 “I’ve already borrowed one”说明她没必要借字典给我了, 故选C项。 10.—Do you know where David is? I couldn’t find him anywhere. —Well, he have gone far—his coat’s still here. A.shouldn’t B.mustn’t C.can’t D.wouldn’t 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗由句意可知, “他肯定没走远”, 此处是对过去的否定推测, 而且语气最强, 故用can’t have done。 11.—Don’t you think it necessary that he to Miami but to New York? —I agree, but the problem is he has refused to. A.will not be sent;that B.not be sent;that C.should not be sent;what D.should not send;what 〖答案〗B〖考点〗本题考查虚拟语气中情态动词的用法。〖解析〗not be sent是虚拟语气, 相当于should not be sent。 12.He paid for a seat, when he ______ have entered free. A. could B. would C. must D. need 〖答案〗A〖考点〗本题考查虚拟语气中情态动词的用法。〖解析〗根据题干可看出此处句意为 “他本来可以免费入场”, 因此应用could have done。 13.If I_______plan to do anything I wanted to, I’d like to go to Tibet and travel through as much of it as possible. A.would B.could C.had to D.ought to 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:如果我能计划做任何想做的事, 我想去西藏尽可能地游览一番。观察一下句中的时态, 因为都是过去时, 句意表示与现在事实相反的虚拟语气, 因此此处应用情态动词的过去时, 表示的意思是 “假如我们现在能够……”, could表示不存在的可能性。 14.I was on the highway when this car went past followed by a police car.They at least 150 kilometers an hour. A.should have been doing B.must have been doing C.could have done D.would have done 〖答案B〖考点〗本题考查情态动词的用法。〖解析〗must have done用于肯定句中, 表示对过去事情的推测, 意为 “想必是, 一定是”。否定句、疑问句中对过去情况的推测, 要用can/could have done的形式。 15.He paid for a seat, however, he________have entered free. A.could B.would C.must D.need 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗paid暗示时间上指的是过去, could have done用于肯定句中表示本可以做而未做的事情;肯定句中不用need have done; must have done与语境不吻合。据题干可看出此处句意为 “他本来可以免费入场”, 因此应用could have done。 16.—Tom is never late for work.Why is he absent today? —Something to him. A.must happen B.should have happened C.could have happened D.must have happened 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗must have done的意思是 “一定发生了某事”。由对话所提供的情景可知:汤姆从不迟到, 所以他 “一定有事”。因此D项正确。 17.Helen________go on the trip with us, but she isn’t quite sure yet. A.shall B.must C.may D.can 〖答案〗C〖考点〗此题考查情态动词的用法。〖解析〗may表示一种可能性。如果没有具体的语境的话, B、D两项也可以选, 但是意思就不同了。 18.—The woman biologist stayed in Africa studying wild animals for 13 years before she returned. —Oh, dear!She________a lot of difficulties! A. may go through B.might go through B. C.ought to have gone through D.must have gone through 〖答案〗D〖考点〗考查 “情态动词+have done”。〖解析〗从语境分析, 表示某人一定干过某事, 而且是对过去情况肯定的推测, 故应用must have done。C项相当于should have done表示对对方的责备, 意思是 “应该做而未做”, 在此不符合题意。 19.There’s no light on—they________be at home. A.can’t B.mustn’t C.needn’t D.shouldn’t 〖答案〗A〖考点〗考查情态动词的用法。〖解析〗句意为:(家中)没有亮灯, ——他们肯定不在家。此处要用情态动词表推测, 且用于否定句表示 “肯定不……”, 故can’t符合要求。must表推测时不用于否定句, mustn’t表示 “禁止, 不许”;needn’t表示 “不需要”;shouldn’t表示 “不应当”, 故A项符合要求。 20.Eliza remembers everything exactly as if it_________yesterday. A.was happening B.happens C.has happened D.happened 〖答案〗D 〖考点〗考查虚拟语气的用法。 〖解析〗as if仿佛, 好像, 其后的从句可出现虚拟语气。句意为:Eliza清楚地记得每一件事, 仿佛它是昨天发生的!句中remembers为一般现在时, 故as if从句中用一般过去时来表示虚拟语气。 21.We hope that as many people as possible join us for the picnic tomorrow. A.need B.must C.should D.can 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:我们希望尽可能多的人能参加我们明天的野餐。用can.表示可能性。 22.— What’s the name? — Khulaifi.________I spell that for you? A.Shall B.Would C.Can D.Might 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗shall在问句中征求对方意见, 主要用于第一人称。答语句意为: “我给你拼写一下好吗?” 23.We______have proved great adventurers, but we have done the greatest march ever made in the past ten years. A.needn’t B.may not C.shouldn’t D.mustn’t 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:我们或许还没有证明是伟大的探险者, 但我们已取得了在过去的10年里的最伟大的进展。故应用may not。 24.— Could I have a word with you, mum? — Oh dear, if you_______. A.can B.must C.may D.should 〖答案〗B〖考点〗考查情态动词的用法。〖解析〗句意为:妈妈, 我可以和你说句话吗?” “噢, 亲爱的, 如果你非要说的话。”must表示必须要做的事。 25.If it were not for the fact that she_______sing, I would invite her to the party. A.couldn’t B.shouldn’t C.can’t D.might not 〖答案〗C〖考点〗考查情态动词的用法。〖解析〗题中that引导同位语从句。 “she can’t sing”是一个事实, 是指在能力、技能等方面不能、不会。 26.Some aspects of a pilot’s job______ be boring, and pilots often_______work at inconvenient hours. A.can;have to B.may;can C.have to;may D.ought to;must 〖答案〗A〖考点〗考查情态动词的用法。〖解析〗句意为:飞行员工作的某些方面可能是令人厌倦的, 并且飞行员经常在不方便的时候工作。第一空表示的是客观的可能性, 应用can;而第二空说在不方便的时候还要干, 因此表示客观上的必须, 用have to, 意为 “不得不”。 27._______fired, your health care and other benefits will not be immediately cut off. A.Would you be B.Should you be C.Could you be D.Might you be 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:如果你被炒了, 你的医疗保险和其他利益并不会立即取消。与将来事实相反的假设, 从句用答案B项。 28.— May I smoke here? — If you_______, choose a seat in the smoking section. A.should B.could C.may D.must 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗由本题语境可知, 空白处应表示 “非得……”之意, 故须用must。 29.The weather turned out to be fine yesterday. I the trouble to carry my umbrella with me. A.should have taken B.could have taken C.needn’t have taken D.mustn’t have taken 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗句意为:昨天天气不错, 我本没有必要不怕费事带把伞。could have done表示 “本能够做而未做”;should have done表示 “本应该做而未做”;mustn’t表示 “禁止, 不许”;needn’t have done表示 “本不必做而做了”。take the trouble to do sth.表示 “不怕费事或困难尽力做某事”。 30.— I think I’ll give Bob a ring. — You________.You haven’t been in touch with him for ages. A.will B.may C.have to D.should 〖答案〗D〖考点〗本题考查情态动词的基本用法。〖解析〗will用于第二人称常用来表示命令、指示, 意为 “务必, 必须”;may表示 “可能, 也许”, 常用于请求许可;have to表示 “不得不”;should可用于表示主观看法、建议、劝说, 意为 “应当, 应该”。在此句中, 答话者表示同意对方的想法。答语句意为:你应该(打个电话), 你好长时间没与他联系了。故D项符合情景要求。 31.— Must he come to sign this paper himself? — Yes, he________. A.need B.must C.may D.will 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗表示要求时, 肯定回答用must, 否定用needn’t。 32.—Is Jack on duty today? —It ________be him.It’s his turn tomorrow. A.mustn’t B.won’t C.can’t D.needn’t 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗can’t表示否定推测, must表示肯定推测。 33.As you worked late yesterday, you______have come this morning. A.mayn’t B.can’t C.mustn’t D.needn’t 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:既然你昨天工作得那么晚, 今早上你就没必要来了。从意思上显示选择项表示 “没必要……”。 34.—How’s your tour around the North Lake? Is it beautiful? —It _______be, but it is now heavily polluted. A.will B.would C.should D.must 〖答案〗C〖考点〗考查情态动词的区别。〖解析〗will可用来表示 “意愿;客观必然性等”;would可表示 “意愿;过去常常(现 在也可能是那样的)”;should表示 “应该, 理应”;must表示 “必然;一定, 准是”。结合语境可知, 此处用should表示虚拟。句意为: “这本来应该是美丽的, 但是现在它被严重污染了。” 35.In crowded places like airports and railway stations, you _______take care of your luggage. A.can B.may C.must D.will 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗句意为:在像飞机场和车站这样拥挤的地方, 你一定要照看好自己的行李。must表示 “必须, 一定”符合句意 36.The biggest problem for most plants, which______just get up and run away when threatened, is that animals like to eat them. A.shan’t B.can’t C.needn’t D.mustn’t 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:对于绝大多数受到威胁时不能起来就逃跑的植物来说, 最大的问题是动物喜欢吃它们。Shan’t表将来;needn’t不必, mustn’t禁止, 都不正确。 37.I told your friend how to get to the hotel, but perhaps I have driven her there. A.could B.must C.might D.should 〖答案〗D〖考点〗本题考查情态动词。〖解析〗could have done(过去)可能做过;本能够做……;must have done(过去)肯定做过;might have done(过去)可能做过;should have done本应该做(而事实上没做)。由句意 “我告诉你朋友该怎么去旅馆, 但或许我应该开车送她去那儿。”可知应选D项。 38.—What does the sign over there read? — “No person______smoke or carry a lighted cigarette, cigar or pipe in this area.” A.will B.may C.shall D.must 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗shall用于第二、三人称, 表示命令、允许、警告等, 此处表示警告。 39.—What do you think we can do for our aged parents? —You________do anything except to be with them and be yourself. A.don’t have to B.oughtn’t to C.mustn’t D.can’t 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗don’t have to不必;oughtn’t to不应当;mustn’t禁止, 不允许;can’t不可能。答语句意为:“除了与父母呆在一起和做你自己以外, 你不必做任何事情。因此A项符合题意。 40.—My cat’s really fat. —You have given her so much food. A.wouldn’t B.couldn’t C.shouldn’t D.mustn’t 〖答案〗C〖考点〗考查情态动词。〖解析〗句意为:——我的猫真胖。——你本不应该给她那么多食物。shouldn’t have done sth.本不应该做某事(暗含做了)。 41.My MP4 player isn’t in my bag.Where_________I have put it? A.can B.must C.should D.would 〖答案〗A〖考点〗考查情态动词。〖解析〗由句意 “我的MP4不在我包里。我可能把它放哪儿了?”可知应选A。can have done过去可能做过而must have done “过去肯定做过”, 只能用于肯定陈述句;should have done本应该做过(而事实上没做);would have done只能用于虚拟语气。 42.—She looks very happy.She________have passed the exam. —I guess so.It’s not difficult after all. A.should B.could C.must D.might 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗must have passed the exam肯定是通过考试了, 由前句中的 “happy”和下句中的 “not difficult after all”可以推知。 43.They______two free tickets to Canada, otherwise they’d never have been able to afford to go. A.had got B.got C.have got D.get 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗 “otherwise they’d never have been able...”这一句用了与过去事实相反的虚拟语气;而 “他们弄到了两张去加拿大的免费票”却是事实, 故用一般过去时。 44.—Guess what? I have got A for my term paper. —Great!You_______read widely and put a lot of work into it. A.must B.should C.must have D.should have 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗由 “have got A”可知是对过去发生事情的推测, 故用 “情态动词+have done”结构。must have done表示 “必定做过某事”, 符合题意。 45.The teacher________have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose. A.should B.can C.would D.must 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗must have done表示对过去所做事情的肯定判断, 表示 “一定……”。 46.—Where is my dictionary? I remember I put it here yesterday. —You_______it in the wrong place. A.must put B.should have put C.might put D.might have put 〖答案〗D〖考点〗考查情态动词表推测的用法。〖解析〗由yesterday可知A、C两项错误;should应该, 理应;might或许, 可能, 显然D项正确。 47.Liza______well not want to go on the trip—she hates traveling. A.will B.can C.must D.may 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:Liza极有可能不想去旅行——她讨厌旅行。may well很可能, 极有可能, 表示猜测。当表示猜测时, will和can不能与well连用, must只能用于肯定句中。 48.John promised his doctor he_______not smoke, and he has never smoked ever since. A.might B.should C.could D.would 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:约翰答应医生他不再吸烟, 从那以后, 他再也没有吸过烟。由句意可知空格处表示允诺, 故应选择D项。 49.She________have left school, for her bike is still here. A.can’t B.wouldn’t C.shouldn’t D.needn’t 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗句意为:她不可能离开了学校, 因为她的自行车仍然在这儿。can’t表示不可能;wouldn’t have done表虚拟;shouldn’t have done本不该做(却已做了);needn’t have done本没必要做(但已做了)。 50.What a pity!Considering his ability and experience, he________better. A.need have done B.must have done C.can have done D.might have done 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗句意为:太遗憾了!鉴于他的能力和经验, 他本可能做得更好。need have done本来有必要做(而没做);must have done是对过去发生的事情的肯定的推测, 表示 “过去一定做了”;can have done是对过去发生的事情的不肯定的推测;might have done表示 “本来可以”。 51.You don’t have to know the name of the author to find a book.You______find the book by the title. A.must B.need C.can D.would 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗句意为:要找到一本书你不一定非要知道作者的名字。你可以根据书的标题找到这本书。can表示 “可以, 能够”。 52.—What sort of house do you want to have? Something big? —Well, it be big—that’s not important. A.mustn’t B.needn’t C.can’t D.won’t 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:“你想要什么样的房子?要大的吗?” “噢, 它不需要很大, 那不重要。”由...that’s not important.这一语境可知, 空格处应表示 “不需要”, 故须用needn’t。 53.Although this________sound like a simple task, great care is needed. A.must B.may C.shall D.should 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:尽管这听起来可能像一项简单的任务, 但是需要非常仔细。must一定, 必须;may可能, 可以;shall将要;should应该。各自表达的意义不同, 选may最妥当。 54.—I can’t find my purse anywhere. —You________have lost it while shopping. A.may B.can C.should D.would 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗may表达推测之意, 意为 “可能……”。 55.You________be hungry already— you had lunch only two hours ago! A.wouldn’t B.can’t C.mustn’t D.needn’t 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:你不可能饿了, 你两个小时之前才吃的午饭!can’t指不可能;mustn’t表猜测时, 不能用于否定句;Needn’t指没有必要。 56.It is usually warm in my hometown in March, but it be rather cold sometimes. A.must B.can C.should D.would 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗must必然, 一定;can可能;should应该;would(过去)将, 总会。本题提供的语境是 “有时可能会……”。 57.Peter______be really difficult at times even though he’s a nice person in general. A.shall B.should C.can D.must 〖答案〗C〖考点〗本题考查情态动词的用法。〖解析〗句意为:虽然彼得总体上来说是一个好人, 但有时真的难以相处。can在这里不表示主观的推测, 而表示客观的可能性。 58.—I’m sorry.I _______at you the other day. —Forget it.I was a bit out of control myself. A.shouldn’t shout B.shouldn’t have shouted C.mustn’t shout D.mustn’t have shouted 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗句意为:“对不起, 几天前我本不应该朝你大喊大叫的。” “不要放在心上。我自己有点情绪失控。”shouldn’t have done sth.本不应该做某事(但已经做了)。 59.Thank you for all your hard work last week.I don’t think we_______it without you. A.can manage B.could have managed C.could manage D.can have managed 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗could have done本能够做某事(但没做)。 60.Some people who don’t like to talk much are not necessarily shy;they just be quiet people. A. must B. may C. should D. would 〖答案〗B〖考点〗本题考查情态动词的用法。〖解析〗有些人不喜欢讲话are not necessarily shy, 他们可能是安静的人, 表示 “可能”之意。 61.One of the few things you ____ say about English people with certainty is that they talk a lot about the weather. A. need B. must C. should D. can 〖答案〗D〖考点〗本题考查情态动词的用法。〖解析〗关于英语的话题中, 你绝对有把握谈论的极少几个话题之一, 就是很多时候都在谈论天气。 62.— It’s the office! So you _______ know eating is not allowed here. — Oh, sorry. A. must B. will C. may D. need 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗句意为:这是办公室!因此你必须知道吃的不允许带到这里。must表示 “绝不”的意思。 63.What do you mean, there are only ten tickets? There _____ be twelve A. should B. would C. will D. shall 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗你这是什么意思, 只有十张票吗?应该有十二人。should表示 “应该, 应当”。 64.It_____ have been Tom that parked the car here, as he is the only one with a car. A. may B. can C. must D. should 〖答案〗C〖考点〗考查情态动词表推测。〖解析〗通过意思我们知道是表示可能的推测, 而且是过去的可能, 表达的是一定是….比较肯定的推测, 所以我们用must have done 的形式。 65.—I don’t care what people think.—Well, you _______ A. could B. would C. should D. might 〖答案〗C〖考点〗考查情态动词的用法。〖解析〗答话的人提了一个建议——你应该关注别人对你的评价的。should可以用来向别人提建议, 所以答案为:C 66.This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense. A. would B. should C. could D. might 〖答案〗B〖考点〗考查情态动词的用法。〖解析〗句意为:这个打印机的质量很好, 如果在一年内出现故障, 我们将免费维修。 67.—Hi, Tom. Any idea where Jane is? —She_____in the classroom. I saw her there just now. A. shall be B. should have been C. must be D. might have been 〖答案〗C〖考点〗考查情态动词表推测的用法。〖解析〗根据题意, 我刚刚看见她在教室, 可以肯定推测她一定在那儿。 68.I can’t leave. She told me that I _______stay here until she comes back. A. can B. must C. will D. may 〖答案〗B〖考点〗考查情态动词的用法。〖解析〗根据前文, “我不能走”, 可以判断她告诉我 “必须”呆在这儿。 69.He did not regret saying what he did but felt that he______ it differently. A. could express B. would express C. could have expressed D. must have expressed 〖答案〗C〖考点〗虚拟语气。〖解析〗could have expressed it differently.他要是用另一种方式来说该多好呀。 70.But for the help of my English teacher, I ______the first prize in the English Writing Competition. A. would not win B. would not have won C. would win D. would have won 〖答案〗B〖考点〗虚拟语气。〖解析〗此处虚拟语气表示与过去事实相反, 句子谓语动词用would/should/could/might + have done结构, 故选B。 71.Jack described his father, who _______a brave boy many years ago, as a strong– willed man A. would be B. would have been C. must be D. must have been 〖答案〗D〖考点〗本题考查情态动词推测用法。〖解析〗句意为 “杰克把他的父亲描述为一个意志坚强的人, 他的父亲多年前肯定很勇敢。”用must have been表示对过去事情的肯定推测。 72.Bob would have helped us yesterday, but he-_______ A. was busy B. is busy C. had been busy. D. will be busy 〖答案〗A〖考点〗本题考查虚拟语气与时态。〖解析〗前句表示对过去的虚拟, 而but之后表示过去的客观事实, 故用一般过去时态。 73.You______ buy a gift, but you can if you want to. A. must B. mustn’t C. have to D. don’t have to 〖答案〗D〖考点〗本题考查情态动词。〖解析〗don’t have to 意为 “没有必要”, 符合语境, 句意为:“你没有必要买礼物, 但如果你想买的话, 你也可以买。” 74.If he _______my advice, he wouldn't have lost his job. A. followed B. should follow C. had followed D. would follow 〖答案〗C〖考点〗考查虚拟语气。〖解析〗根据 “wouldn’t have lost”可判断if引导的状语从句表示与过去事实相反的虚拟, 故选C项。 75.I have told you the truth. ______ I keep repeating it? A Must B Can C May D Will 〖答案〗A〖考点〗考查情态动词的用法。〖解析〗must 必须, 一定 can 可以, 能够 may 也许 will 意愿, 倾向性动作, 前半句说我告诉你事实了, 这里用的是现在完成时, 表示过去的动作对现在造成了影响, 既然我已经说了, 我还必须重复一遍吗? 76.I_______ have watched that movie —it’ll give me horrible dreams. A. shouldn’t B. needn’t C. couldn’t D. mustn’t 〖答案〗A〖考点〗本题考查情态动词的用法。〖解析〗句意应为 “我本来不应该看那部电影的----它会使我做噩梦的。”表示 “本来不应该做而做了某事”用shouldn’t have done, 所以A项正确。 77.Mark _______have hurried. After driving at top speed, he arrived half an hour early. A. needn’t B. wouldn’t C. mustn’t D. couldn’t 〖答案〗A〖考点〗考查情态动词。〖解析〗句意:迈克本来不必要那么忙的。这么高速驾驶之后, 他早半个小时到达了。根据后面的语境, 提前半个小时到达, 说明Mark本来不必那么匆忙, 所以用needn’t have done 结构, 表示 “本来不必要做某事的而实际上做了”。 78.John went to the hospital alone. If he _______me about it, I would have gone with him. A. should tell B. tells C. told D. had told 〖答案〗D〖考点〗考查虚拟语气。〖解析〗句意:约翰独自去了医院。如果他告诉我的话, 我会跟他一起去的。前一句是陈述语气, 说明动发生在过去, 而且后一句的主句已经是would have gone说明是与过去事实相反的虚拟语气。与之对应的从句结构, 应该用had +过去分词。 79.— ________I take the book out? w_w w. k#s5_u.c o*m —I’m afraid not. A. Will B. May C. Must D. Need 〖答案〗B〖考点〗考查情态动词。〖解析〗表请求可用情态动词can, may, could, might ,表允许用can, may.句意为: “我可以将这本书带出去吗?” “恐怕不行”。故应选表情请求的情态动词may。正确答案为B。 80.Just be patient .You ______ expect the world to change so soon . A. can’t B. needn’t C. may not D. whether 〖答案〗A〖考点〗考查情态动词。〖解析〗句意:耐心一点儿, 你不能期望世界变化如此快。通过选项此题考查情态动词, can’t在否定句中可以表示推测, 译为不可能,可以表示能力, 译为不能够, 也可以表示命令, 不允许, 但是语气比mustn’t弱, 具有劝慰的意思, 根据句意此题中选择A, can’t表示劝慰。查看更多