20. -What did yon think of _____ president?

-I didn't care for him of at first, bat after _____ time I go to like him.

　 A. the; a　　 　　　　　　　　　 B. /; the　　 　　　　　　　　 C. the; the　　 　　　　　　 D. /; a

19.　I promised to get then before 5 o’clock, but now the rain is pouring down. They _____ for me impatiently.

　 A. may wait　　 　　　　　　　　　　 B. ought to wait　　 　 C. could wait　　 　　　　 D. must be waiting

18. I would love _____ to the cinema last night, but I had to look after my sick sister at home.

　 A. to go　　 　　　　　　　　　　 B. to have gone 　　　　 C. going　　 　　　　　　　　　　 D. having gone

17.　-Bob, you cannot smoke any more. It will damage your health.

-I know. I _____ smoking. Believe me!

　 A. the; a　　 　　　　　　　　　 B. a; a　　 　　　　　　　　　 C. a; the　　 　　　　　　　　 D. the; the

16. _____ teacher of my grandfathers will come tomorrow . I’m wondering how old _____ man he should be.

　 A. The; a　　 　　　　　　　　　 B. A; a　　 　　　　　　　　 C. A; the　　 　　　　　　　 D. The; the

15. -Susan married Jason last Sunday.　

-Really? How long _____ each other? No more than a week, I’m afraid.

　 A. did they know　　 　　　　　　　　　　　　　　　　　　　　　　　　 B. have they known　 　

C. have they got to know　　　　　　　　　　　　　　　　　　　 D. had they known

14. -Jim, Let’s hurry to the airport. Mabel is coming.　

-Oh, I was afraid _____ What’s made her change her mind?

　 A. she would never come　　　　　　　　　　　　　　　　　　　 B.I would miss her　 　　

C. she had already come　　　　　　　　　　　　　　　　　　　 D.I might have missed her

13. -Why does Sara know so much about Angkor Wat?　

-She _____ have been there, or…

　 A. must　 　　　　　　　　　　　 B. oughtn’t to　　 　　　　 C. may　　 　　　　　　　　　 D. can’t

12. -Where do Ur Green come from?　

-I’m not sure, but his English _____ Australia.

　 A. suggests　　 　　　　　　　　 B. sounds　　 　　　　　　　　　　 C. advises　　 　　　　　　　 D. shows

11. -What a pity; I _____ broke the record.　

-It doesn’t matter. Try again next time.

　 A. all over　　 　　　　　　　　 B. all but　　 　　　　　　　 C. hardly　　 　　　　　　　 D. already