1 . 根据句意，用适当的情态动词、虚拟语气填空
1. It is raining heavily outside. You ____________ as well stay here for the night.
2. But for the timely help of the PLA man that day, you ____________(kill) in the car crash.
3. I’m very busy with my Mid-term examination, or I __________ (go) to see the movie with you.
4. While taking exams, a student _________ never be too careful to get high grades.
5. — Tom has arrived. _________ he come in to see you?     —Yes, of course. Call him in.
6. Why are you here? It’s class time and you __________ be in the classroom now.
7. Had you studied harder at college, you __________(get) a better job now.
8. You _________(not) sit in this part. It’s for women and children only.
9. — Let’s go to see a film.   — Why today. I’d rather we __________ (see) a film tomorrow.
10. The old man treated the boy as if he _________ his own son.

2 . When he was there, he _______ go to that tea house at the corner when he was free everyday.

A．had better

B．might

C．would

D．should

3 . Imitating others’ actions in Tik Tok _____ be very dangerous, so you ____ be too careful.

A．should; ought to

B．could;     should

C．might;   mustn’t

D．can;   can’t

4 . When are you going to return my novel? Don’t worry. You ____ have your book soon, I promise.

A．shall

B．should

C．may

D．must

5 . Who is knocking at the door? ________ it be your guest?

A．Can

B．Shall

C．May

D．Must

6 . 单句改错
1. When I was young, I daren’t to swim in the swimming pool alone.
__________________________________________________________________
2. In my opinion, students don’t need pay more attention to their appearance.
_________________________________________________________________
3. When Harry was at college, he will go to the reading room after supper every day.
_________________________________________________________________
4. Martin hasn’t got in touch with me for ages. He mustn’t have got my new cellphone number.
_________________________________________________________________
5. It was an easy test and he would have passed, but he didn’t.
_________________________________________________________________
6. What is required in the regulations is that you mustn’t tell other people the password of your e-mail account.
_________________________________________________________________
7. Might you have a good time.
_________________________________________________________________
8. —Must I tell him the truth？
—No, you mustn’t.
_________________________________________________________________
9. Engines should not run without lubricants(润滑油).
_________________________________________________________________
10. If you make mistakes again, you should not take part in the match.
_________________________________________________________________

7 . 选词填空

needn't,　　must,　　should,　　might,　　can't,　　may,　　can,　　could,　　will,　　would

1. He_____________have passed the exam; otherwise, he wouldn’t be so happy.
2. Tom_____________be watching TV now at home, for I saw him going shopping just now.
3. I_____________go on the trip with you, but I am not sure yet.
4. The film is so boring, and we_____________as well not go to see it.
5. The World Wide Web is sometimes jokingly called the world wide wait because it _____________be very slow sometimes.
6. It is known to us all that oil_____________float on water.
7. I_____________have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.
8. You failed again; you _____________work hard from now on.
9. It is not cold today; I_____________have put on the coat.
10. When he was young, he _____________play football after school.

8 . If you wish, you ________ come in and have a cup of tea with us any time.

A．would

B．should

C．must

D．may

9 . 语法填空（用方框内所给情态动词完成下面的句子）

1. Why are there only 12 tickets left? There _____________be 15.
2. A well-trained person _____________hold his breath under water for more than two minutes.
3. What's the matter with my computer? It _____________not work!
4. The situation there was still unclear, and my son _____________be in trouble though I was not quite sure.
5. He _____________not be serious, but is just joking.
6. He _____________be sleeping in the dormitory. You can find him there.
7. The witness was under strict protection, and no one but the police _____________get close to him.
8. What _____________we do if we come across such a person?
9. Since you have finished your work, you _____________go now.
10. When the weather was fine, he_____________ keep his wife company along the river bank.

10 . Sometimes it seems that doors ___________ be closed for you, but remember, they are not all locked.

A．must

B．should

C．may

D．need