19. The fire spread through the hotel very quickly but everyone _______

　　　 get out.

　　　 A. had to　　　　 B. would　　　　 C. could　　　　 D. was able to

表示“责备”

　　 should / ought to

5. -Is John coming by train?

　　 -He should, but he __________ not. He likes driving his car.

　　 A. must　　　　 B. can　　　　 C. need　　　　 D. may

表示“不可能”

　　 can't / couldn't

表示“能力”

　 　can / be able to

10. -Are you coming to Jeff's party?

　　　 -I'm not sure. I ________ go to the concert instead.

　　　 A. must　　　　 B. would　　　　 C. should　　　　 D. might

11. Peter _______ come with us tonight, but he isn't very sure yet.

　　 A. must　　　　 B. may　　　　 C. can　　　　 D. will

5. A computer __________ think for itself; it must be told what to do.

　　 A. can't　　　　　　　　　 B. couldn't

　　 C. may not　　　　　　 D. might not

表示“可能”

　　 can / may / might　　 可能性依次降低

4. Does ____________ matter if he can't finish the job on time?

　　 A. this　　　　 B. that　　　　 C. he　　　　 D. it

3. I learned to __________ a bicycle as a small boy.

　　 A. drive　　　　 B. ride　　　　 C. operate　　　　 D. run

2. _________, I went to the railway station to see my friend off.

　　 A. After eating quickly my dinner　　 B. After my quickly eating dinner

　　 C. After eating my dinner quickly　　 D. After eating my quickly dinner

after + n.

after + 主谓宾

after + doing

1. Will you ________ me a favor, please?

　　 A. give　　　　 B. make　　　　 C. do　　　　 D. doing

favor　 缘分

lottery　 奖券；缘分

Effort is rewarding.

17. We'll have to finish the job, _________________.

　　 A. long it takes however　　　　 B. it takes however long

　　 C. long however it takes　　　　 D. however long it takes