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情态动词专项练习
1. Richard __________ be at home because he phoned me from the office just now.
A. needn’t B. mustn’t
C. can’t D. shouldn’t
2.—Could I ride an electric bicycle to school, Mr. Wang?
—No, you___________. Students under the age of 16 aren’t allowed to ride electric bicycles.
A. couldn’t B. needn’t
C. can’t D. wouldn’t
3. The biggest challenge we all face is to prevent further environmental disasters. We __________ take action before it is too late.
A. can B. must
C. may D. might
4 According to the new traffic rules, people __________ wear a helmet when riding an e-bike.
A. might B. may
C. can D. must
5.—Simon, I’m afraid we can’t complete the model spaceship this afternoon.
—Well, we __________ finish it today. It’s fine if we give it to Mr. Wang tomorrow.
A. can’t B. mustn’t
C. needn’t D. shouldn’t
6.— Excuse me, can I borrow this book?
—Sure, but you __________ return it by the end of this term.
A. can B. can’t
C. must D. mustn’t
7. Don’t you know passengers __________ smoke on high-speed trains？
A. needn’t B. mustn’t
C. wouldn’t D. couldn’t
8.—What will the weather be like tomorrow?
—It __________ be rainy, cloudy or sunny. I am not sure.
A. must B. may
C. can’t D. should
9. My car is broken. __________ you please give me a lift?
A. Must B. Need
C. Should D. Could
10. “Gina, whose book is this?” “It __________ be Carla’s. Charles Dickens is her favorite writer.”
A. must B. can
C. may D. need
11.— Is that man your friend Tom?
—That man __________ be him, because he has gone to Canada.
A. can’t B. mustn’t
C. needn’t D. had better not
12.—Hey, Clark. Would you like to have a picnic with us this weekend?
—Sorry, I’ll have an exam next Monday, so I ___________ prepare for it.
A. can B. may
C. must D. might
13.—Must I wash my clothes at once, mom?
—No, you __________. You __________ wash them before 5:00 p.m.
A. needn’t; may B. mustn’t; may
C. needn’t; need D. mustn’t; must
14.—Hi, Carl! I’m leaving for Chengdu this weekend.
—Cool! But I __________ get away until the end of July.
A. shouldn’t B. can’t
C. needn’t D. mustn’t
15.—Have you decided where to spend your holiday?
—Not yet. We __________ go to Beijing.
A. may B. must
C. should D. need
16. In some countries，people ____________ download(下载) music from the Internet without paying，because it's against the law.
A. wouldn’t B. needn't
C. mustn’t D. couldn't21·c
17. —May I take the dog with me，sir?
—____________. Pets are not allowed to enter the hall.
A. Yes，you may B. No，you mustn't
C. Yes，you can D. No，you needn't
18.—The tall man with glasses over there looks like our math teacher.
—It ____________ be him. He has gone abroad.
A. may not B. mustn't
C. can’t D. needn't
19.—Life is becoming convenient with the Internet.
—That's true! Almost everything ___________ be done online.版权所有
A. must B. would
C. should D. can
20. Now most young people like shopping online because they ___________ spend a lot of time going from shop to shop.
A. needn’t B. can't
C. mustn’t D. shouldn't
21. —All done! Let's swim，Martine!
—Swimming! I just ___________ get used to it in winter.
A. can’t B. shouldn't
C. mustn’t D. needn't
22.—Will Dad be back home at 6 o'clock this evening?
—He should，but he ___________ not. Sometimes he exercises after work.
A. can B. must
C. need D. may
23. Life is like riding a bicycle. To keep your balance，you ___________ keep moving.
A. can B. must
C. can’t D. mustn't
24. I see your ID card, sir? We have to check your information.
A. May B. Must
C. Should D. Need
25. —May I go out for a while, Mom?
—No, you . You have to finish your homework first.
A. shouldn't B. needn't
C. mustn't D. won't
26.— Have you decided where to go for your summer vacation?
—Not yet. We ___________go to Qingdao. It's a good place for vacation.
A. may B. need
C. must D. shall
27. Drivers __________ wear seat belts while their cars are running on the road.
A. need B. can
C. must D. may
28. —__________I swim here?
—No, you __________. Look at the sign “No swimming”.
A. Must：can’t B. Can; don’t
C. Can; mustn’t D. Must；don’t
29. A country has dreams. We teenagers _________ also have dreams. With dreams and hard work, anything amazing can be created.
A. may B. must
C. should D. might
30. You mustn’t go off on your own, because you __________get lost in the mountains.
A. should B. must
C. need D. might
31. —__________ I help you, sir?
—Yes. I want a T-shirt.
A. Can B. Should
C. Must D. Would
32. — Whose T-shirt is this?
— It ________ be John’s. It’s ________ small for him.
A. can’t; much too B. can’t; too much
C. mustn’t; too much D. mustn’t；much too
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