1 . 用适当的情态动词填空：
1. You’ve been working all day. You ______ be very tired.
2. ( The door bell rings) I wonder who that is. It _____be Lisa. She’s still in the library at this time.
3. It is a long time since we met last time. You ________come and see us more often.
4. I haven’t decided where I’ going for my holidays. I ________go to Australia.
5. My father’s birthday is coming. What_________I get him?
6. Why don’t you try on this dress? It ____________look nice on you.
7. “who was the man talking with your teacher?” “I’m not sure. I _____be her brother.”
8. I don’t know when the guests______________be here. They_________arrive at any time.

2 . 用适当的情态动词填空
1. You ________ go now.You ________ finish it today.You have been working for more than eight hours.You ________ be very tired.You ________ go home now and have a good sleep.
2. Mary ________ be in the classroom.I saw her on the playground just now.You ________ have made a mistake.That girl ________ be Jenny.
3. —________ I use your bicycle?
—Certainly，you ________．But it ________ be returned before six o'clock this afternoon.
4. —________ you go and travel there with me next week?
—I’d like to.But I ________．I have a lot of things to do then.________ we go next month?
—Well，see you!
5. You ________ play basketball here.I ________ have told you about it earlier.You ________ ask for permission if you ________ like to.

3 . 语法专练（用情态动词的适当形式填空）
1. In today’s information age, the loss of data ______ cause serious problems for a company.
2. We ______ call Tim before we visit his house; he ______ not be at home.
3. If you ______ smoke, please go outside.
4. A: I’ve got a bad headache.
B: Why don’t you go and lie down?
A: Yes, I think I will. ______ you bring me some aspirin?
B: Yes, of course I can. ______ I call the doctor?
A: No. Let’s wait and see how I feel later.
B: ______ you like a glass of water?
5. No one ______ be more generous than he; he has a heart of gold.
6. — You needn’t take an umbrella. It isn’t going to rain.
— Well, I don’t know. It ______ do.
7. It ______ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
8. From the experiment, we can know that fish ______ die out of water.
9. When I passed my school, I ______ visit my teachers who once taught me.
10. Let’s go for a walk after supper, ______ we?

4 . 单句语法填空
1. — ______ I use your English dictionary, Wang Mei?
— Sure. Here you are.
2. — It is reported that the heavy typhoon is coming.
— Yes, it is. We ______ be more careful.
3. It is six o'clock and my mother is worried about me, so I______ go home now.
4. Samuel, the tallest boy in our class, ______ easily reach the books on the top shelf.
5. No wonder you caught a cold. You ______ (go) out last night without a coat.
6. Let us go to Jack’s birthday party tomorrow, ______ you?
7. The problem is hard to solve. ______ the professor come at once to help us?
8. ______ joy and health be with you always.
9. — Will my daughter be all right soon, doctor?
— She ______ be, if she takes these tablets.
10. — Don’t you want to go swimming with us this afternoon?
— I wish I ______, but I have an appointment.

5 . （1）________(have)the governments and scientists not worked together，AIDS­related deaths would not have fallen since their highest in 2005.
（2）George can't ________(go)too far.His coffee is still warm.
（3）Why didn't you tell me about your trouble last week？If you ________(tell)me，I could have helped.
（4）—Can't you stay a little longer?
—It's getting late.I really ________ go now.My daughter is home alone.
（5）It was so noisy that we ________ not hear ourselves speak.
（6）You ________ be Carol.You haven't changed a bit after all these years.
（7）You ________feel all the training a waste of time，but I'm a hundred percent sure later you'll be grateful you did it.
（8）You ________ be careful with the camera.It costs!
（9）—Sorry, Mum! I failed the job interview again.
—Oh, it's too bad.You ________ have made full preparations.
（10）I ________have worried before I came to the new school, for my   classmates here are very friendly to me.
（11）If I _______(see)it with my own eyes, I wouldn't have believed it.
（12）Without his wartime experiences, Hemingway ________(write)his   famous novel A Farewell to Arms.
（13）Ellen is a fantastic dancer.I wish I ________(dance)as well as her.
（14）I wish I _______(be)at my sister's wedding last Tuesday, but I was on a business trip in New York then.
（15）It is lucky we booked a room, or we ________(have)nowhere to stay now.

6 .
1. My English book isn’t here. Where______________？(put)
我的英语书不在这里。我可能把它放哪儿了呢？
2. When I called her last night, she______________.(fall)
昨晚我给她打电话时,她一定是睡着了。
3. Without this kind of knowledge, no one______________.(able)
如果没有这种知识,没有人将能够做这项工作。
4. ________________for a while, Mom？(play)
妈妈,我可以玩一会电脑游戏吗？
5. She said that ______________,so I didn’t go to your home.(go)
她说你可能出去了,因此我没有去你家。
6. She asked whether we______________.(give)
她问我们是否愿意来帮她的忙。
7. He ______________ when he was a child.(fish)
当他还是个孩子时,他常和父亲一起去钓鱼。
8. If you finish your homework on time, you ______________ what you want.(do)
如果你按时完成作业,你就可以有时间做你想做的。
9. It’s strange that he ______________by such a little boy.(fool)
他竟然被那么小的男孩愚弄了太奇怪了。
10. ________at this time of night？(play)
你偏在晚上的这个时候弹钢琴吗？

7 . It is important to know about the cultural differences that ________ cause problems.

A．must	B．dare
C．may	D．shall

8 . Some people ________ not have plans yet for New Year’s Eve, but others know exactly what they will be doing.

A．can

B．must

C．need

D．may