考前30天单项填空三

开篇：润墨网以专业的文秘视角，为您筛选了一篇考前30天单项填空三范文，如需获取更多写作素材，在线客服老师一对一协助。欢迎您的阅读与分享！

(限时15分钟)

1. The boy be really annoying at times，but after a while，youll get used to him.

A. mustB. shouldC. shallD. can

2. She as well let out the secret，for she looked very upset when seeing me.

A. canB. mayC. mustD. shall

3. Do you mean that there are only ten tickets？ There be twelve.

A. mustB. canC. willD. should

4. —Can I have something to eat， Mum？ I feel hungry.

—You be hungry. Youve just had some bread and ham.

A. mayntB. wontC. mustntD. cant

5. Try as you ， he wont listen to your advice on the potential dangers of smoking.

A. canB. mayC. dareD. will

6. —What do you mean by this？

—No need for you to worry about your money and be angry with me. You get it this afternoon.

A. willB. shallC. mayD. need

7. At a construction site in our city the workers have uncovered an ancient wall that to keep the enemy out of the city， but it requires further evidence.

A. might have functionedB. would have functioned

C. must have functionedD. should have functioned

8. —I wonder why Tom is late again.

—Well， he his train， or maybe overslept.

A. might missB. may have missedC. should missD. must have missed

9. —Has Tim started？ He said he would join in the party.

— He . He is a man of his word.

A. could have leftB. must have leftC. cant comeD. wont be coming

10. Without the “greenhouse effect”， the Earth about thirtythree degrees Celsius cooler than it is.

A. will beB. would beC. would have beenD. has been

11. —Would you rather there tomorrow？

— No. Id rather he there instead of me.

A. to go；will goB. go；wentC. go；will goD. going；shall go

12. You lose the chance of taking the examination of this kind in the next three years if you dare to cheat!

A. canB. shallC. shouldD may

13. It sound like a perfect destination， but it is really adventurous to go there．

A. willB. mustC. shallD. may

14. —Jenny took the 8: 00 bus to Guangzhou this morning.

—Really？ She the 9: 00 train. Its much more comfortable and safer to travel by train.

A. could have takenB. should takeC. must have takenD. can take

15. He be lazy，but he can work very hard when he feels like it.

A. mayB mustC. shouldD. will

【创新预测】

16. Tom have come in person. He came such a long way just to tell us the result.

A. mustntB. needntC. wouldntD. couldnt

17. “They didnt take measures in time， otherwise the explosions ， ” some experts said.

A. wouldnt happenB. didnt happen

C. wouldnt have happenedD. mustnt have happened

18. Jam insisted that the book Mr. Black referred to .

A. was worth buyingB. was worth to be bought

C. being worth buyingD. be worth buying

19. —I havent got the reference book yet， but Ill have a test on the subject next month.

—Dont worry. You have it by Friday.

A. shallB. couldC. mustD. may

20. Dont play with the dog， Jack， for it be very dangerous at times.

A. shallB. shouldC. canD. must

答案解析

1. D【解析】考查情态动词。此处can表示理论上的推测。句意：那个男孩可能有时真的会恼人，但不久，你就会习惯他。

2. B【解析】考查情态动词。句意：她不妨说出这个秘密，因为她看见我时她看起来很难过。此处考查may as well的用法，意为“不妨”。

3. D【解析】考查情态动词。句意：你的意思是只有10张票了？应该有12张的。此处should表推测，指情理之中的事。

4. D【解析】考查情态动词。句意：——妈妈，我能吃点东西吗？我饿了。——你不可能饿。你刚刚吃了一些面包和火腿。在英语否定句中，表猜测用cant。

5. B【解析】考查情态动词。在让步状语从句中，用may/might。句意：尽管你尽力了，他是不会听你关于吸烟的潜在危害的忠告的。

6. B【解析】考查情态动词的用法。句意：——你这是什么意思？——你不用担心你的钱也不用生我的气。今天下午你就会拿到你的钱的。此处shall用于第二人称，表示“允诺”。

7. A【解析】考查情态动词。might have done 意为“过去可能做过什么”，是对过去的猜测。句意：在我们市里的一处工地上，工人们挖出了一道以前可能是用来御敌的城墙，但这还有待进一步验证。根据句意选A。

8. B【解析】考查情态动词。此处may +have done表示对过去事实的推测。后句句意：他可能错过了火车或者睡过了头。

9. B【解析】考查情态动词。根据He is a man of his word. 可知他是一个守信的人，因此推测他肯定已经启程了。

10. B【解析】考查虚拟语气。句意：如果没有 “温室效应”，地球的温度将比它现在的温度还要低33摄氏度左右。without在此处是一种假设，所以主句应用虚拟语气，与现在的事实相反，主句应用would do sth. 结构。故选B。

11. B【解析】考查虚拟语气。Would you rather do sth. ？“你愿意做……吗？”，因此第一个空要用动词原形；第二个空要用虚拟语气，即would rather sb. did sth. 宁愿某人做某事。

12. B【解析】考查情态动词。shall用于二、三人称的陈述句表示允诺、命令、威胁等语气。句意：如果你敢作弊，你将失去以后三年中参加这种考试的机会。

13. D【解析】考查情态动词。句意：它听起来也许是一个极好的去处，但事实上去那儿太冒险。may表示推测，可能（会），或许（会）；而will表示意愿；must表示肯定性猜测，必须；shall用于第二、三人称，表示许诺、命令等。

14. A【解析】考查情态动词。上句表示珍妮已乘坐8点的汽车去广州了。答句意思是：她本可以坐9点的火车去的，坐火车舒服得多，安全得多。“情态动词could+完成时”表示“本来可以，而实际上并没有那么做”。

15. A【解析】考查情态动词。句意：他也许懒惰，但要是他高兴的话，也能很勤奋地工作。情态动词may在本句中表示“也许，可能”。故答案选A。

16. B【解析】考查情态动词。句意：汤姆没有必要亲自来。他走这么远的路就是为了告诉我们这结果。neednt have done sth. 本没必要做某事，结果却做了。

17. C【解析】考查虚拟语气。otherwise 引导出相反的结果（猜测）。句意：“他们没有及时采取措施，否则的话就不会出现这几次爆炸。”一些专家说。

18. A【解析】insist后的宾语从句，在表示坚持某种建议时用虚拟语气should+动词原形。当表示坚持某种观点时不用虚拟语气。

19. A【解析】考查情态动词。此处shall表示许诺。答句句意：别担心。你星期五之前一定会拿到它。

20. C【解析】考查情态动词。句意：杰克，不要和那条狗玩，因为它有时很危险。此处can表示理论上的推测