情态动词
1. From what I learn about their hotel, the service and the weather, they ____their holiday very much.
A. couldn’t have enjoyed                  B. shouldn’t have enjoyed
C. needn’t have enjoyed                   D. can’t have enjoyed
Key: D
2. I____have written to him because he phoned me shortly¹ afterwards.
A. ought to   B. must   C. couldn’t   D. needn’t
Key: D
3. It’s said that there are plenty of hotels in that town. There____be any difficulty² for you to find somewhere to stay.
A. wouldn’t  B. mustn’t   C. shouldn’t   D. needn’t
Key: C  表示估计
4. The poor boy____the test again; in that case, his mother will be very disappointed³.
A. must have failed  B. might fail  C. could have failed   D. should fail
Key: B
5. ---Look! The clouds are gathering⁴.
  ---Yes. I’m afraid it____be pouring down soon.
A. can   B. must   C. should   D. might
Key: D
6. ---Are you still going to Shanghai for the Spring Festival?
  ---Yes, but I really____ because I have a lot of things to deal with.
A. can’t   B. mustn’t   C. won’t   D. shouldn’t
Key: D  关键词 still
7. ---Let’s see if the basketball game has started yet.
  ---Started? It must be clear who____by now.
A. is winning   B. wins   C. has won   D. would win
Key: A       by now =by this time
8. It is very kind of you to do the washing-up, but you____ it.
A. mustn’t have done       B. wouldn’t have done
C. mightn’t have done     D. didn’t have to do
Key: D
9. I wish it ____be fine tomorrow.
A. is going to  B. will C. should   D. would
Key: D
10. ---I hear you’ve got a set of valuable Australian coins, ____I have a look?
   ---Yes, certainly.
A. Do   B. May   C. Shall   D. should
Key: B 许可
Shall I /we …? 用以提出建议。
Shall I drive? 我来开车好吗？  Shall I do the wasking-up?  我来洗餐具好吗？
11. It’s nearly seven o’clock. Jack____be here at any moment. =soon “很快”
A. shall   B. need   C. should   D. can
Key: C
12. Jim should be at home. (现在推测)  “可能”“该”“按理论”试探性推断
   He should arrive at noon. (将来推测)
   A) Can 某人或某物一时的特点，“有时会”特有的行动或情形
   In winter, the winds can be pretty cold. 也可看成是表示客观事实 又如 Reading can be fun
   He can be very friendly at times. (有时会很友好)
   B) can “可能”用在肯定句中表示种理论上的可能=will 而may现实上可能。
13. Our house is on the top of the hill, and in winter the winds____be pretty cold.
A. must   B. ought to   C. can  D. need
Key: C can  同为表某一物或某一人某一时的特有情形或行为，而ought to 只表推测，上句是讲述情形
14. don’t search my book case for your CD-player! Just look where it ____be  in the drawer, in your schoolbag, or somewhere else like that.
A. may   B. can  C. must   D. will
Key: A   may 事实上的可能性
15. ---Answer the doorbell, please. It must be your uncle.
   ---It ____Heidi. She’s coming over this morning to help me with my math.
A. is   B. can’t be  C. could be   D. will be
Key: C