1 . Now he was sure they ________ have been dropped somewhere inside the store. (用适当的词填空)

2 . — I can hear the water running in the bathroom.

— Yes, Bria __________ be taking another shower. (用适当的词填空)

3 . He ________ be at home, for the lights are on. (用适当的词填空)

4 . Look! He__________(read) a novel, for he is keeping his head down. (所给词的适当形式填空)

5 . Hurry up! They________(wait) for us now. (所给词的适当形式填空)

6 . 单句语法填空
1. It was really annoying; I________get access to the data bank you had recommended.
2. I love the weekend，because I________get up early on Saturdays and Sundays.
3. I was wearing a seatbelt.If I hadn’t been wearing one，I ________(injure)．
4. Why didn’t you tell me about your trouble last week? If you________(tell)me，I could have helped.
5. You________be Carol.You haven’t changed a bit after all these years.
6. It was so noisy that we________hear ourselves speak.
7. You________be careful with the camera.It costs!
8. You________feel all the training a waste of time，but I’m a hundred percent sure later you’ll be grateful you did it.
9. I________have worried before I came to the new school，for my classmates here are very friendly to me.
10. —Sorry，Mum! I failed the job interview again.
—Oh，it’s too bad.You________have made full preparations.
11. It is lucky we booked a room，or we ________(have)nowhere to stay now.
12. Ellen is a fantastic dancer.I wish I ________(dance)as well as her.
13. If I ________(see)it with my own eyes，I wouldn’t have believed it.
14. Without his wartime experiences，Hemingway________(write)his famous novel A Farewell to Arms.
15. I still remember my happy childhood when my mother________take me to Disneyland at weekends.
16. I’ve ordered some pizza，so we________worry about cooking when we get home tired.
17. Life is unpredictable; even the poorest________become the richest.
18. ________I have a word with you? It won’t take long.
19. My book，The House of Hades，is missing.Who________ have taken it?
20. If Mr.Dewey________(be)present，he would have offered any possible assistance to the people there.
21. We would rather our daughter ________ (stay)at home with us，but it is her choice，and she is not a child any longer.
22. They were abroad during the months when we were carrying out the investigation，or they________(come)to our help.
23. It was John who broke the window.　Why are you talking to me as if I________ (do)it?
24. ________(catch)the morning train，he would not have been late for the meeting.
25. When I was a child，I________watch TV whenever I wanted to.
26. No one________ be more generous; he has a heart of gold.
27. It________be the vocabulary that caused you the problem in the exercise because you know a lot of words.
28. The door________open，no matter how hard she pushed.
29. —What are you doing this Saturday?
—I’m not sure，but I________go to the Rolling Stones concert.
30. One of our rules is that every student________wear school uniform while at school.
31. I________ use a clock to wake me up because at six o'clock each morning the train comes by my house.
32. You________ bring your identification when you open a bank account.
33. —________you interrupt now? Can’t you see I’m on the phone?
—Sorry Sir，but it’s urgent.
34. I’m going to Europe on vacation together with John if I________find the money.
35. I got close enough to hear them speaking Chinese，and I said “Ni Hao，” just as I ________do in China.
36. Since nobody gave him any help，he________have done the research on his own.
37. The children________(get)lost in the woods; otherwise，they would have been at the lakeside camp as scheduled.
38. I ________(enjoy)myself more—it was a perfect day.
39. —It rained cats and dogs this morning.I’m glad we took an umbrella.
—Yeah，we would have got wet all over if we________(have)．
40. I should not have laughed if I________(think)you were serious.
41. Eye doctors recommend that a child’s first eye exam ________(be)at the age of six months old.
42. If my car________(be)more reliable，I would have driven to Lhasa instead of flying last summer.
43. Grace doesn’t want to move to New York because she thinks if she________ (live)there，she wouldn’t be able to see her parents very often.
44. We would have called a taxi yesterday if Harold________ (offer)us a ride home.

7 . （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.

8 . I’m as busy as a bee；________ you bother me with so many questions now?

A．may	B．must
C．can	D．shall

9 . —Hi，Joan.Any idea where Tom is?
—He ________ on the playground.I saw him there playing football just now.

A．shall be	B．should have been
C．must be	D．might have been

10 . —Guess what？I came first in that contest.
—Great！You ________ a lot during the past two weeks.

A．must practise	B．should practise
C．should have practised	D．must have practised