单项选择
1.— Congratulations! You ________ have made great efforts for the English speech contest.
— Thanks. I do appreciate my teacher’s guidance.
A.might B.must C.should D.could
2.His face seems so familiar to me. I ______ him somewhere before.
A.must have seen B.must see C.might have seen D.might see
3.— Dad, I’ve finished my homework.
— Good! You ______ go to play or watch TV if you like.
A.need B.must C.can D.should
4.—Who’s singing in the next room Is it Lucy
—It ______ be her. She has gone to New York.
A.needn’t B.can’t C.mustn’t D.won’t
5.— Will you go swimming with us this weekend
— It depends. I ______ go to visit my grandpa in the countryside.
A.will B.can C.must D.may
6.To keep fit, you ______ take regular exercise instead of sitting around all the day.
A.should B.could C.may D.will
7.As a senior high school student, you ________ make efforts to improve your communication and problem-solving skills.
A.can B.may C.must D.might
8.—What are you planning to do this summer holiday
—Well, I am not so sure now. I ________go to the countryside to visit my grandparents.
A.might B.need C.can D.must
9.Jenny ________ have finished her work. Or she wouldn’t be playing badminton now.
A.should B.needn’t C.must D.can’t
10.Dear Allan, I’m afraid I won’t pay you any visit by now since I’m rather occupied, but I assure you that you ________ have my company as soon as I’m released from work.
A.must B.might C.ought to D.shall
11.Trucks _____ be parked here, or you will be fined.
A.needn’t B.mustn’t C.wouldn’t D.daren’t
12.The world went into shock, most people having assumed that this space flight ________ be more dangerous than travelling in an aeroplane.
A.should B.shall C.would D.could
13.Do remember you breathe a word of this to anyone.
A.won’t B.shan’t C.don’t D.wouldn’t
14.Timmy, why in the mud I have already told you so many times not to!
A.must you sit B.should you sit C.will you sit D.can you sit
15.The children________very excited as they opened Christmas gifts from their parents.
A.must have been B.must be C.can have been D.can be
16.If there is nothing more to do, we ________ as well go to bed.
A.should B.can C.would D.may
17.The headmaster _________ come to attend our party, but I’m not sure.
A.must B.can C.may D.need
18.—Do we have to take some warm clothes
—Yes, we had better. It ________be cold in the mountain at night.
A.may B.would C.can D.should
19.No driving after drinking is a rule that every driver________obey in our country.
A.must B.may C.shall D.can
20.— I saw Mary in the library this morning.
— It _______ be her twin sister. Mary has been away from Beijing for a week.
A.can B.need C.must D.should
21.When faced with challenges, sometimes you _______feel you are lost in thick mist and can’t see the light, but I’m a hundred percent sure later you’ll be grateful you didn’t throw in the towel.
A.should B.need C.shall D.may
22.— Hello. ______ I speak to John
— I’m sorry, you ______ have the wrong number. There’s no one here by that name.
A.Will; can B.Shall; need C.May; must D.Could; would
23.Mrs Brown was not surprised at the exciting news at all; she ________ about it.
A.must have known B.must know
C.should have known D.should know
24.You’d better send Lisa back home, because it’s too late and she ________ go home alone at night.
A.needn’t B.should C.could D.dare not
25.The voices themselves sounded really unique — some of the female voices were so high that I was sure they________break glasses!
A.can B.could C.may D.might
26.—It’s nearly a quarter to eight. Beth hasn’t turned up yet.
—She________ the time. Why don’t I call and see what happened
A.shouldn’t have forgotten B.might have forgotten
C.needn’t have forgotten D.must have forgotten
27.In my opinion, you________leave him alone for the time being to allow him to calm down.
A.are able to B.have to C.had better D.dare to
28.My book, Letters from Father Christmas is missing. Who ________ have taken it
A.must B.could C.should D.need
29.—Where is my Chinese book I remember I put it here yesterday.
—You _______it in the wrong place.
A.must put B.should have put C.might have put D.need put
30.We have lost touch with the travelers; they________ lost in the deep forest.
A.should have got B.can’t have got C.will have got D.must have got
31.What can you ________ from the given data
A.do inferences B.do inference C.make inference D.make inferences
32.Ben later joked that the job ________ not as the “best”, but the “busiest job in the world”.
A.could have been advertised B.should have been advertised
C.needn’t have been advertised D.must have been advertised
33.Remember to bring more clothes because the winter in Shanghai ________ be very cold sometimes.
A.shall B.can C.would D.need
34.The new test should ____ doctors to detect the disease early.
A.able B.enable C.disable D.unable
35.Some students ________ in the midterm exam for the results didn’t reflect their real abilities, while others ________ better but they didn’t review the lessons well.
A.should cheat; would have performed B.should have cheated; would perform
C.might cheat; would perform D.might have cheated; would have performed
36.Only when you have contracted the virus ________ the correctness of advice that, unless you are strong enough to get over it of yourself, you ________ be vaccinated.
A.you will recognize; need to B.will you recognize; are to
C.you will recognize; must D.will you recognize; should
37.—It’s 7:30 and he hasn’t taken the nucleic acid test yet!
—Well, he ________.
A.ought to B.oughtn’t to have C.ought to have D.ought to have to
38.- Will my car be ready by the end of this week
- It ________ be, sir. I will give you a call if it is ready.
A.should B.shall C.would D.must
39.—Can I please have a little more time
—No, you_________. The test time is up.
A.can’t B.couldn’t C.mustn’t D.needn’t
40.— You burned your face and arms.
—Yes, I in the shade like all the other tourists at noon.
A.should be B.must have been C.must be D.should have been
41.When reading The Road Not Taken, one cannot help but ________ in one’s mind images of a peaceful wood deep within the countryside.
A.seeing B.to see C.see D.seen
42.I heard that your team won the football match yesterday afternoon. You ______ have performed quite well.
A.can B.must C.should D.need
43.Your cousin ________ his trip in Jixian County, didn’t he He looks amazingly different.
A.will have enjoyed B.should have enjoyed
C.can have enjoyed D.must have enjoyed
44.Technology is supposed to make our lives easier, but it________ also be depressing at times.
A.should B.will C.can D.must
45.Living and working with others ______ sometimes be complicated, and humour makes this easier.
A.must B.can C.should D.need
46.You ______ some moments when you were disappointed. If so, how did you deal with them
A.must be having B.must have had C.must have D.must had
47.There was no sign of a break-in, so the thieves ________ someone on the inside helping them.
A.must have had B.could have had
C.needn’t have had D.might have
48.—________ you make a little less noise please I’m trying to work.
—Oh. sorry.
A.Must B.Need C.Should D.Can
49.The change in climate may________our mood.
A.affect B.affects C.effect D.effects
50.—Who’s singing in the next room Is it Lucy
—It ______ be her. She has gone to New York.
A.can’t B.shouldn’t C.mustn’t D.won’t
51.—Few of my fellows passed the politics quiz this time on campus.
—How come It ________ tough.
A.should be B.might be
C.must have been D.could have been
52.It is unbelievable that such an excellent football team ________have failed in the finals.
A.would B.must C.should D.could
53.The spokesman did not regret what he had said at the conference but felt that he ________ it indirectly.
A.could express B.would express C.could have expressed D.must have expressed
54.We showed up early and had to wait two hours before the ceremony began. We ________.
A.shouldn’t hurry B.needn’t have hurried C.mustn’t have hurried D.wouldn’t hurry
55.— Where are you going for your holidays this summer
— Well, it’s not been decided. I ______go to the countryside to see my parents.
A.might B.need C.can D.must
56.His appearance has changed so much that you ________ not recognize him.
A.may well B.may as well C.maybe D.should
57.Public health experts kept telling citizens it was of utmost importance that social distancing and hygiene habits ________ amid the pandemic.
A.were to be kept B.had to be kept
C.must be kept D.should be kept
58.Just as I was hurrying to class, there ________ come Tom with a long story to tell you.
A.could B.must C.might D.would
59.We are surprised that his prediction about the experiment result ________ be so precise.
A.should B.could C.must D.will
60.Parents_____ put the things like knives and medicine away in the house to keep children safe.
A.may B.might C.can D.should
61.He made great progress and got several A+’s in the final exam. He hard at his lessons during the past few months.
A.must have worked B.ought to have worked
C.must work D.ought to work
62.The importance of saving gas be stressed too much as automobiles use up some 70 billion gallons of gas every year.
A.shouldn’t B.won’t C.can’t D.mustn’t
63.The newly-released device is not well-received as expected. It ________ more practical and affordable.
A.must have been B.might have been C.should have been D.should be
64.Whether you stay in the office or go home, you ______ leak the information.
A.shouldn’t B.mustn’t C.won’t D.needn’t
65.I ______ have cooked so much food. Nobody was hungry and there were a lot of leftovers.
A.needn’t B.wouldn’t C.mustn’t D.couldn’t
66.—I can’t get through to the general manager’s office anyhow.
—The line is busy. Someone________ the telephone.
A.can use B.can have used C.must have used D.must be using
67.I can’t find my purse. I ________ it in the supermarket yesterday, but I’m not sure.
A.should leave B.could have left C.might leave D.must have left
68.Mr. Smith ______ to Beijing, for I saw him in the library just now.
A.needn’t have gone B.mustn’t have gone
C.can’t have gone D.shouldn’t have gone
69.It ________ have rained last night, for the ground is wet.
A.must B.need C.could D.might
70.— Will you be free this weekend
— I’m not sure, but I ________ go to an art exhibition with my parents.
A.will B.should C.must D.may
参考答案:
1.B
【详解】考查情态动词。句意:——恭喜你!你一定为这次英语演讲比赛下了很大的功夫。——谢谢。我很感激老师的指导。A. might have done过去可能做了某事;B. must have done过去一定做了某事;C. should have done过去本应该做某事;D. could have done本来可以做某事。根据“Thanks. I do appreciate my teacher’s guidance.”可知,在这次英语演讲比赛得奖,说明过去一定下了很大的功夫。故选B。
2.A
【详解】考查must have done。句意:他的面孔对我来说太熟悉了。我以前一定在什么地方见过他。根据“His face seems so familiar to me.”可知此处应用must have done表示对过去事情非常有把握的推测。故选A项。
3.C
【详解】考查情态动词。句意:——爸爸,我做完作业了。——好!你可以去玩或者看电视,如果你喜欢的话。A. need需要;B. must必须;C. can可以;D. should应该。由上文“I’ve finished my homework.”可知,完成作业了,所以可以出去玩,此处can表示允许,故选C。
4.B
【详解】考查情态动词。句意:——谁在隔壁房间唱歌?是露西吗?——不可能是她。她去纽约了。A. needn’t不必;B. can’t 不可能;C. mustn’t不允许,不准;D.won’t不会,将不。根据后句She has gone to New York.可知,唱歌的人“不可能”是露西,此处考查查情态动词表示否定推测,应用can’t。故选B。
5.D
【详解】考查情态动词。句意:——这个周末你会和我们一起去游泳吗?——这取决于情况。我可能会去乡下看望我的爷爷。A. will将要;B. can能够;C. must必须、一定;D. may可能。根据空格前的It depends可知,我并没有确定要去游泳,说明我有可能去做其他的事情,may意为“可能”符合句意。故选D项。
6.A
【详解】考查情态动词。句意:为了保持健康,你应该定期锻炼,而不是整天坐着。A. should应该;B. could能;C. may可能;D. will将要。结合句意可知使用should“应该”符合句意,故选择A项。
7.C
【详解】考查情态动词。句意:作为一名高中生,你必须努力提高你的沟通和解决问题的能力。A. can可以、能够;B. may可以。可能;C. must必须、肯定;D. might可以、可能。根据句意可知,此处表示“必须努力”,应用情态动词must,表示主观要求。故选C项。
8.A
【详解】考查情态动词词义辨析。句意:——这个暑假你打算做什么?——嗯,我现在不太确定。我可能会去乡下看望我的祖父母。A. might可能;B. need需要;C. can可能;D. must必须。结合I am not so sure now可知,可能会去乡下看望我的祖父母;might语气比can弱,在表示推测时,might用于不太确定的推测,can通常用于否定推测。故选A项。
9.C
【详解】考查情态动词辨析。句意:珍妮一定完成了她的工作。不然她现在就不会打羽毛球了。A. should应该;B. needn’t不必;C. must一定,肯定,表示有把握的推测;D. can’t不可能。根据下一句“Or she wouldn’t be playing badminton now.”可知,珍妮现在正在打羽毛球,所以她一定是完成了工作,此处表示有把握的推测,用must。故选C项。
10.D
【详解】考查情态动词词义辨析。句意:亲爱的艾伦:恐怕我现在不能去拜访你了,因为我很忙,但我向你保证,我一下班就会来陪你。A. must必须;B. might可能;C. ought to应该;D. shall将会。由“have my company as soon as I’m released from work”及主语是第二人称you可知,此处用shall,表允诺,故选D。
11.B
【详解】考查情态动词。句意:卡车不能停在这里,否则你会被罚款的。A. needn’t不必;B. mustn’t禁止;C. wouldn’t不会;D. daren’t不敢。根据后文“be parked here, or you will be fined”指禁止停车,应用mustn’t。故选B。
12.C
【详解】考查情态动词词义辨析。句意:世界陷入了震惊,大多数人都认为这次太空飞行比乘坐飞机更危险。A. should应该;B. shall将会;C. would很有可能;D. could过去可能,能够。分析句意可知,此处表示有充分理由认为或猜测“更危险”这种情况,需要使用would表示可能性。故选C项。
13.B
【详解】考查情态动词词义辨析。句意:记住,你不会向任何人透露这件事。A. won’t将不;B. shan’t不会(表许诺);C. don’t不;D. wouldn’t将不会。分析句子,此处表示“许诺”应该使用shall not,其缩写形式为shan’t。故选B。
14.A
【详解】考查情态动词。句意:Timmy,你为什么非要坐在泥里?我已经告诉你很多次了,不要这么做!A项must用于问句中表示生气,意为“非要”;B项should表示“应该”;C项will表示“将要” ;D项can表示“可能”。根据下文“I have already told you so many times not to!”可知,此处表示生气,意为“非要”,应用must,故选A。
15.A
【详解】考查情态动词。句意:孩子们打开父母送的圣诞礼物时一定非常兴奋。根据下文“they opened Christmas gifts from their parents”可知,此处为对过去事实的推测,需要用情态动词+have done。再结合句意可知,孩子们在收到父母送的礼物时一定很高兴,所以用must have been。故选A。
16.D
【详解】考查情态动词。句意:如果没什么别的事要做,我们不如去睡觉。固定短语may/might as well意为“倒不如”、“不妨”符合句意,一般用于给出建议。故选D项。
17.C
【详解】考查情态动词。句意:校长可能回来参加我们的派对,但我不确定。A. must肯定;B. can可能(一般用于否定推测);C. may可能;D. need需要。根据“but I’m not sure”可知,此处为不太确定的推测,用may“可能”符合题意。故选C。
18.C
【详解】考查情态动词词义辨析。句意:——我们必须带些暖和的衣服吗?——是的,我们最好。山上的晚上很冷。A. may可能;B. would将要;C. can可能;D. should应该;根据句意可知,此处为情态动词can“可能,也许”表示可能推测,该句可能性较大,所以为can,而may一般可能性更小。故选C项。
19.C
【详解】考查情态动词。句意:在我们国家酒后不得驾车是所有司机都要遵守的规则。A.must必须;B. may可以;可能;C. shall将要,必须,应该;D. can能够。在条约规章法令等文件中表示义务或规定,用于第三人称,意为“应,必须”,根据语境可知,酒后不开车是每一个司机都必须道守的规章制度。故选C项。
20.C
【详解】考查情态动词辨析。句意:——今天早上我在图书馆看见玛丽了。——那一定是她的双胞胎姐妹,玛丽已经离开北京一周了。A. can能,会,表示可能性;B. need需要;C. must必须,一定,表示有把握的推测;D. should应该。根据后文“Mary has been away from Beijing for a week.”可知,玛丽不再这里。所以前面“那是她的双胞胎姐妹”的推测是十分肯定的推测。故选C项。
21.D
【详解】考查情态动词词义辨析。句意:当面对挑战时,有时你会觉得自己迷失在迷雾中,看不到光明,但我百分之百确定,以后你会为自己没有认输而感激。A. should应该;B. need需要;C. shall(同I和we连用,表示将来)将要;D. may也许;可能。根据句意此处表可能的一种状态,应该用may。故选D项。
22.C
【详解】考查情态动词词义辨析。句意:-你好,我可以和约翰讲话吗 -对不起,你一定打错电话了。这里没有叫那个名字的人。“May I speak to sb. ”是打电话时的常用语,may表示委婉的请求许可。Will/shall表示将来的助动词;could可以表示委婉的请求许可。根据句意可知,下文考查情态动词表示“猜测”之意;can与must表示猜测,can意为“可能”,must意为“一定”,表示十分有把握的猜测,根据There’s no one here by that name.可知,此处表示有把握的肯定猜测;would/need不表示猜测。故选C。
23.A
【详解】考查情态动词。句意:布朗夫人对这个令人兴奋的消息一点也不感到惊讶;她一定事先知道这件事。根据选项可知,此处考查的是情态动词的用法,结合句意和谓语动词was可知,此处是情态动词对过去情况的推测,即为“情态动词+have done”结构,结合下文语境可知,此处为“肯定做过某事”,表示可能性很大。故选A项。
24.D
【详解】考查情态动词。句意:你最好把丽莎送回家,因为已经太晚了,她晚上不敢一个人回家。分析句子可知,此空位于主语之后,动词原形之间,所以使用情态动词,结合句意可知,此处应为dare的否定形式,意为“不敢”。故选D项。
25.B
【详解】考查情态动词词义辨析。句意:这些声音本身听起来真的很独特—— 一些女性的声音是如此之高,以至于我确信它们能打碎玻璃杯!A. can 能够、会、可能;B. could 能够、会、可能;C. may 可以、可能;D. might 可以、可能。其中,can表示“能够、会”时、may表示“可以”时用于现在的时态,在过去的时态中用它们相对应的过去式could、might;根据句中动词“sounded”和“was”可知,应用过去式;结合句意,这里指“能、能够”,所以应用could。故选B。
26.B
【详解】考查情态动词+have done用法。句意:——现在快八点一刻了。贝丝还没出现。——她也许忘记了时间。我为什么不打电话看看发生了什么?根据句意可知,贝丝没有按时出现,我想打电话看看发生了什么,由此可知,贝丝也许忘记了时间,“might have done”表示“也许已经做了某事”,符合语境,“shouldn’t have done”表示“本不该做某事,而实际上做了”,“needn’t have done”表示“本不必做某事,而实际上做了”,“must have done”表示“必定做了某事(表示对过去的推测)”,均不符合语境。故选B项。
27.C
【详解】考查情态动词。句意:在我看来,你最好暂时让他一个人静一静。A.are able to能够;B.have to不得不;C. had better应该;最好;D.dare to敢于。根据句意,此处提出建议,had better符合句意,表示告诉别人应该做的事,故选C。
28.B
【详解】考查情态动词。句意:我的书《圣诞老人的来信》不见了。谁可能拿走它呢?根据上文“My book, Letters from Father Christmas is missing”可知,我的书不见了,所以此处应该是谁可能拿走它了,即用could表示“可能”。故选B。
29.C
【详解】考查推测句型:句意:——我的语文书呢?我记得昨天我放在这儿的。——你可能放错位置了。根据句意可知,此处考查对过去事实不太肯定的推测,结合选项应用might have done“可能做了某事”。故选C。
30.D
【详解】考查情态动词+have done表示推测。句意:我们和游客失去了联系;他们肯定在森林深处迷路了。因为此处包含了词组get lost表示“迷路”,故各选项补充完成的形式如下:A. should have got lost本应该迷路;B. can’t have got lost本不可能迷了路;C. will have got lost将会迷路;D. must have got lost一定迷路了。因为前文指出“失去联系”,故可推测一定已经迷了路。故选D项。
31.D
【详解】考查固定短语。句意:你能从给定的数据中推断出什么?短语make inferences 表示“推断”。故选D。
32.B
【详解】考查情态动词+have done。句意:Ben后来开玩笑说,这份工作不应该被宣传为“最好的”,而是“世界上最繁忙的工作”。A. could have been advertised本能够打广告(却未做);B. should have been advertised本应该打广告;C. needn’t have been advertised本不需要打广告(却做了);D. must have been advertised肯定打了广告。根据句意可知,此处意为“本应该做某事”,应用should have done“本应该做某事(而未做)”。故选B。
33.B
【详解】考查情态动词。句意:记得多带些衣服,因为上海的冬天有时会很冷。根据下文“be very cold sometimes”可知,此处表示上海冬天可能很冷。表示“可能性”使用情态动词can。故选B。
34.B
【详解】考查动词。句意:这种新的检测方法将使医生能够及早发现这种疾病。A. able能够的(形容词);B. enable使能够(动词);C. disable使……失去能力(动词);D. unable不能的(形容词)。情态动词should后接动词原形。enable sb. to do sth.使某人能够做某事。故选B。
35.D
【详解】考查情态动词。句意:一些学生可能会在期中考试中作弊,因为结果没有反映出他们的真实能力,而另一些学生本可以表现得更好,但他们没有好好复习功课。对过去事情的推测,用情态动词+have done。should have done过去本应该做某事(而实际上未做);might have done也许已经做了某事;would have done本可以做某事(却没有)。根据“for the results didn’t reflect their real abilities”可知,一些学生可能会在期中考试中作弊;根据“but they didn’t review the lessons well.”可知,这些学生本可以表现得更好。故选D。
36.D
【详解】考查倒装句和情态动词。句意:只有当你感染了病毒,你才会认识到建议的正确性,除非你足够强壮来克服它,你应该接种疫苗。本处only在句首,后面跟了做状语的when,主句用部分倒装结构,即将will 提至主语 you 之前,故空处一用will you recognize;分析可知,本句表示“除非你足够强壮来克服它,否则你应该接种疫苗”,故空处二表示“应该”,用should符合题意;故选D项。
37.C
【详解】考查情态动词+have done。句意:——已经7:30了,他还没有去做核酸!——是的,他本应该去做的。根据句意可知,此处意为“本应该做,却没做……”,应用情态动词+have done,表达为ought to have done,故此处答语应为“Well, he ought to have (taken it)”,故选C。
38.A
【详解】考查情态动词表推测的用法。句意:——我的车这周末能准备好吗?——应该能,先生,如果准备好了我会给你打电话的。A. should应该会;B. shall将会;C. would将;D. must一定。根据句意,本处表示肯定的推测,根据“I will give you a call if it is ready.”可知,此处指非常有可能的事,用should符合语境。故选A项。
39.C
【详解】考查情态动词词义辨析。句意:——能再给我一点时间吗?——不,你不可以。考试时间到了。A. can’t不能;B. couldn’t不能;C. mustn’t不准,禁止;D. needn’t不需要。由“The test time is up”可知,此处表示“禁止”,因此空格处是mustn’t。故选C。
40.D
【详解】考查“情态动词+have done”的用法。句意:——你的脸和胳膊都晒伤了。——是的,我应该像其他游客一样在中午的时候待在阴凉处。分析句子且根据句意可知,空处是在表示“过去本该做某事(而实际上未做)”,站在现在的角度上评说过去的事情,所以应填should have done,表示“本应该做(而实际未做)”。故选D项。
41.C
【详解】考查动词。句意:当阅读《未走的路》时,人们不禁会在脑海中看到乡村深处一片宁静的树林。分析句子结构可知,此处是固定搭配:can’t help but do sth.意为“忍不住要做”,空处需填动词原形。故选C项。
42.B
【详解】考查情态动词。句意:听说你们队赢得了昨天下午的足球比赛。你肯定表现很不错。根据I heard that your team won the football match yesterday afternoon可知,球队已经获胜,由此可推断球队表现好的可能性是很大的。must have done表示对过去事实肯定的推测。故选B项。
43.D
【详解】考查情态动词+have done。句意:你表弟在蓟县的旅行一定很愉快,是吗 他看起来很不一样。根据“He looks amazingly different.”可知,他看起来很不一样。表示对过去事实肯定的推测,用must have done。故选D项。
44.C
【详解】考查情态动词辨析。句意:科技应该让我们的生活更轻松,但它有时也会让人沮丧。根据句意可知,此处表示情态动词的推测功能,can表示理论可能、有时可能。故选C。
45.B
【详解】考查情态动词词义辨析。句意:与他人一起生活和工作有时会很复杂,幽默让这变得更容易。A. must必须;B. can可能;C. should应该;D. need需要。根据句意和语境,此处表达“可能”,can符合题意。故选B项。
46.B
【详解】考查情态动词的用法。句意:你一定有过失望的时候。如果有,你是怎么处理的?由“If so, how did you deal with them”可知,句子表示“你一定有过失望的时候。如果有,你是怎么处理的”,由did可知,空格处是对过去的肯定推测,用must have done,故选B。
47.A
【详解】考查情态动词表对过去的推测。句意:没有破门而入的痕迹,所以小偷一定有内部人员帮助他们。A. must have had过去一定有;B. could have had本可以有(却没有);C. needn’t have had本不需要有;D. might have可能有。由“There was no sign of a break”可知,句子表示“没有破门而入的痕迹,所以小偷一定有内部人员帮助他们”,空格处是对过去的肯定推测,表示“过去一定有”,用must have had,故选A。
48.D
【详解】考查情态动词。句意:——你能小点声吗 我在努力工作。——哦。对不起。A. Must必须;B. Need需要;C. Should应该;D. Can能够。根据“I’m trying to work.”可知,希望对方能够小声一点。故选D。
49.A
【详解】考查情态动词。句意:气候的变化可能会影响我们的心情。A项和B项作为动词,意为“影响”;C项和D项作为名词时,意为“影响”,情态动词 may之后,应该加动词原形。根据句意和语法逻辑,故选A项。
50.A
【详解】考查情态动词。句意:——谁在隔壁房间唱歌?这是露西吗?——不可能是她。她去纽约了。A. can’t 不可能;B. shouldn’t不应该;C. mustn’t不允许,不准;D.won’t不会,将不。根据后句“She has gone to New York.”可知,唱歌的人“不可能”是露西,此处考查查情态动词表示否定推测,应用can’t。故选A项。
51.C
【详解】考查推测句。句意:——这次在校园里,我的同伴很少通过政治测验。——怎么会这样?这一定很艰难。表示对过去情况的肯定推测用must have done (过去必定做了)形式。故选C项。
52.C
【详解】考查情态动词辨析。句意:真难以置信,这样一支优秀的足球队居然在决赛中输了。A. would会,总是;B. must一定,必须;C. should应该,居然;D. could能够,可能。结合句意此处表示“居然已经做了某事”应用should。故选C。
53.C
【详解】考查情态动词+have done。句意:发言人对他在会上所说的话并不后悔,但觉得他本可以间接表达出来。根据句意可知他觉得本来能够间接地表达(却没有那样做)。显然是对过去的事表示遗憾,因此应该使用could have done,could have done用于肯定句,表示本来可以做却未做。故选C。
54.B
【详解】考查动词。句意:我们到得很早,在仪式开始前等了两个小时。我们本不必这么匆忙。A. shouldn’t hurry不该匆忙;B. needn’t have hurried本不该这么匆忙;C. mustn’t have hurried肯定不这么匆忙;D. wouldn’t hurry将不这么匆忙。由语意可知,我们来得早,还等了两个小时,因此可知,我们不需要来这么早,不必这么匆忙的,此处考查needn’t have done结构,表示“过去本不必要做但已经做了”。故选B项。
55.A
【详解】考查情态动词词义辨析。句意:——这个夏天你打算去哪里度假 ——嗯,还没决定呢。我可能会去乡下看我的父母。A. might可能;B. need需要;C. can能;D. must必须。根据“it’s not been decided”可知,去向为定,只是可能去乡下看父母,用情态动词might。故选A项。
56.A
【详解】考查情态动词。句意:他的外表变化太大了,你有可能认不出他。A. may well很可能;B. may as well不妨;C. maybe也许;D. should应该。根据句意可知是表示很有可能的推测,B和D项语义不符,而C项为副词与空格后的动词原形加否定词无法搭配;而A项为情态动词短语,后能接动词原形。故选A项。
57.C
【详解】考查情态动词。句意:公共卫生专家不断告诉公民,在流感大流行期间,保持社会距离和卫生习惯是至关重要的。结合设空前后内容可知,在流感大流行期间,社交距离和卫生习惯的保持是必须的,一定要做的,情态动词must“必须”,表示必要或很重要,keep与habits之间是被动关系,故选C。
58.B
【详解】考查情态动词。句意:就在我匆匆赶去上课的时候,汤姆偏偏来了,说有一个很长的故事要告诉我。A. could能够;B. must 必须,一定,偏偏,非要;C. might表示许可,可能; D. would将要,愿意。结合句意,是说我在匆忙去上课的路上,汤姆此时非要和我说事情,这里用must表示不快的心情,可以翻译为“非得,偏偏”。故选B项。
59.A
【详解】考查情态动词词义辨析。句意:我们很惊讶,他对实验结果的预测竟然如此准确。A. should竟然;B. could能够;C. must必须;D. will将会。由“We are surprised”可知,句子表示“我们很惊讶,他对实验结果的预测竟然如此准确”,空格处是“竟然”,故选A。
60.D
【详解】考查情态动词词义辨析。句意:为了保证孩子的安全,父母应该把刀子和药品之类的东西放在家里。A. may或许;可以;B. might可能;可以;C. can能;可以;D. should应该。根据句意可知,此处表示“应该”,表示劝告或者建议,故选D。
61.A
【详解】考查情态动词+have done。句意:他进步很大,在期末考试中得了几个A+。在过去的几个月里他一定在努力学习功课。根据后文during the past few months表示对过去的肯定推测,应用must have done。故选A。
62.C
【详解】考查固定用法。句意:节约汽油的重要性再怎么强调也不为过,因为汽车每年要消耗大约700亿加仑的汽油。 此处表示“再……也不为过”应用can’t+谓语动词+ too + much,结合句意,故选C。
63.C
【详解】考查情态动词用法。句意:新发布的设备并没有像预期的那样受到好评。它本应该更实用、更实惠。A. must have been一定已经;B. might have been本可以是,可能已经;C. should have been本应该是;D. should be应该是。根据句意,此处考查should have done的结构,表与预期相反,意为“本来应该做某事而实际上没有做”,新发布的设备本应该再实用点,再便宜点的,但是实际上却没有,所以也就得不到好评了。故选C项。
64.B
【详解】考查情态动词。句意:不管你是留在办公室还是回家,你都不能泄露消息。A. shouldn’t不应该;B. mustn’t不得;不能;不许;C. won’t将不;D. needn’t不必。根据“Whether you stay in the office or go home,”可知,不管在办公室还是回家都不允许泄露消息。故选B。
65.A
【详解】考查情态动词的虚拟语气。句意:我本不必做那么多食物的。没有人饿,还有很多剩菜。need have done意为“本必要做某事”,needn't have done意为“本不必要做某事”,根据后文 Nobody was hungry and there were a lot of leftovers可知,没有必要做这么多食物。故选A。
66.D
【详解】考查情态动词。句意:——我怎么也打不通总经理办公室的电话。——占线。一定有人在用电话。根据“The line is busy”可知,有人一定正在用电话,“一定正在做某事”是must be doing,故选D。
67.B
【详解】考查情态动词。句意:我不能找到我的钱包了,昨天我有可能把它落到超市了,但我不确定。根据句中时间状语yesterday可知,是对过去事情的推测,故用情态动词+ have done,再根据后句but I’m not sure.可知,此推测为不能肯定的推测,故用情态动词could,表示“可能”。故选B。
68.C
【详解】考查情态动词用法辨析。句意:史密斯线不可能去了北京,因为我刚刚在图书馆看见他了。needn’t have done一般用于否定句或疑问句中,表示“过去没有必要做某事,但实际上却做了”;mustn’t have done形式不存在,must表推测时不用于否定句;can’t have done表示对过去事实的否定推测,意为“不可能做过某事”;shouldn’t have done表示本来不应该做某事,而实际上做了,含有指责对方或自责之意。结合句意,作者在图书馆看到史密斯先生,他“不可能已经去北京了”。故选C项。
69.A
【详解】考查情态动词辨析。句意:昨晚一定下雨了,因为地面是湿的。A.must 一定;B.need需要; C.could 可能;D.might或许。根据后文“have rained last night”可知,这是对过去情况的推测。must have done对过去发生的事情进行较有把握的推测;need表推测,一般用于否定形式;could have done意为“本来能够做某事而没有做”;might have done意为“可能发生了某事”。再结合后文“ for the ground is wet”可知,地面是湿的,一定是下雨了。故选A。
70.D
【详解】考查情态动词辨析。句意:——这个周末你有空吗?——我不确定,但我可能会和父母一起去看艺术展。A. will将;B. should应该;C. must必须;D. may可能。结合语意,后者说自己不确定,所以空处应用may表示可能性不大的推测。故选D项。