2 . 选词填空
1. He ____________(must/might) get here in time,   but I can’t be sure.
2. —How long ____________(may/must) I keep this book?
—You may keep it for two weeks.
3. He ____________ (can’t/mustn’t) have missed the train;   he arrived at the train station two hours early.
4. John, look at the time. ____________ (Must/Can) you play the piano at such a late hour?
5. She ____________(might/must) have achieved greater progress,   if you had given her more chances.
6. —That must be a mistake.
—No, it ____________ (can’t/mustn’t) be a mistake.
7. Paul did a great job in the speech contest. He ____________(must/can)have practised many times last week.
8. It is usually warm in my hometown in March, but it ____________(may/can)be rather cold sometimes.
9. I can make a lantern now,   but I ____________(can’t/couldn’t)when I was young.
10. —Can we go out and play football now?   
—No,   you ____________(can’t/mightn’t).

3 . 选词填空。
1. Robert is good at languages and ________(can/must) speak four languages.
2. The meeting is very important and you________(would/should) attend it on schedule.
3. I managed to find the street, but I ________(couldn’t/mustn’t) find her house.
4. Every Sunday afternoon, the boy ________(will/may) sit there hour after hour looking at the traffic go by.
5. In his childhood, Jack ________(would/could) be nervous when he met strangers.
6. —Do you have any plan for this weekend?
—I have not decided yet. I________(may/need) take my daughter to the museum.
7. According to the doctor’s advice, the medicine________(might/must) be taken three times a day.
8. No one ________(shall/must) stop us from carrying out the plan.
9. Rose ________(can’t/needn’t) be in the classroom now, because I saw her leave school several minutes ago.
10. Jane asked whether she________(must/could) sit in the empty seat.
11. One of the windows of the classroom ________(won’t/mustn’t) close, so I’ll have it repaired.
12. The headteacher warned him not to be late for school, but Jack ________(wouldn’t/shouldn’t) listen.

4 . 选词填空。
1. He ________(must/might) get here in time ,but I can’t be sure.
2. He ________(can’t/mustn’t) have missed the train; he arrrived at the train station two hours early.
3. That must be a mistake. No, it ________(can’t/mustn’t) be a mistake.
4. Paul did a great job in the speech contest. He ________(must/can) have practised many times last week.
5. He ________(may/must) be at his office now, but you’d better make a phone to make sure.
6. Look, someone’s in the room. Who ________(can/must) it be ?
7. It ________(must have /may have) rained last night, for the ground is still wet.
8. I don’t know where she is, she ________(may/must) be in Wuhan.
9. With drones’ ability to see ahead, they ________(could/should ) signal any problem, so that fast -moving trains would be able to react in time.
10. I ________(needn’t/can’t) have bought so much wine -only two people came.

5 . 根据句意，选择单词或短语并以其适当形式填空。

to start with   in particular   ought to   whether...or not   look through   turn out   in the end   be likely to   instead     however

1. ________, we haven’t enough money, and secondly we haven’t enough time.
2. Last summer I went to France. This year I’m going to Italy ________
3. ________he works________, I don’t think he will pass his examination.
4. She’ll put the blame on us if it ________ badly.
5. He said that it was so; he was mistaken，________.
6. An accident ________ happen yesterday.
7. ________ she will understand his feelings.
8. Peter starts ________ the mail as soon as the door shuts.
9. I went along thinking of nothing ________ only looking at things around me.
10. I realize I ________ have told you about it.

6 . 用can或must填空
1. My phone ________have been stolen while I was taking a bus. I can't find it anywhere.
2. I'm hungry. I ________eat two bowls of rice now.
3. You not ________touch other people's head in this country as it will, according to local people, bring had luck to both of you.
4. —Why________ you stay in the countryside where it's not convenient to go shopping?
—Because I've found it beneficial to my health.
5. As far as I am concerned, the air crash ________not have been caused by a bomb attack.
6. You________ not be tired—you've only been working for ten minutes.
7. It is usually warm in my hometown in March, but it________ be rather cold sometimes.
8. Many rare animals are dying out. We________ find ways to protect our environment.

7 . 选词填空mustn’t/needn’t
1. Books _________be taken out of the library without permission.
2. John is ill and he__________ go to school today.

8 . 选词填空must/have to
1. He missed the bus and __________ walk home.
2. You _________ pay the money, but you needn’t do so at once.

9 . 选词填空would/should
1. I_________ often go to see my uncle on Sundays when I was in the countryside.
2. I think children __________ be taught to tell the truth.

10 . 选词填空could/be able to
1. I wrote down the telephone number so that I _________ remember it.
2. It was rainy and dark that night, but they ________ find his house at last.