21. The food on the plate smells _____. You can’t eat it.

A. delicious　　 　　　　　　 B. badly　　 　　　　　　　　 C. well　　 　　　　　　　　　 D. bad

20. When you are sleeping, you had better _____ all your windows closed.

A. don’t keep　　　　 　 B. not keep　　　 　　　　 C. not to keep　　　　 D. not keeping

19. - _____ you have bought me!

- I got them at the market.

A. What a big fish　 　　 B. How a big fish　　 　 C. What big fish　　 　　 D. How big fish

18. - He is often late for school, isn’t he?

　 - _____. He always goes to school earlier than others.

A. Yes, he is　　　　 　　 B. No, he isn’t　　 　　 C. Yes, of course 　　　　 D. No, sometimes

17. - I want to return the book to Jack, but I can’t find him.

　 - He _____ the library. You can find him there.

A. has been to　　　 　　　 B. has gone to 　　　　　　 C. has left　　　 　　　　 D. went to

16. _____ of them knows French, so I have to ask a third person for help.

A. Neither　　　 　　　　　 B. Either　　　　　 　　 C. Both　　　 　　　　　　　 D. None

15. - Could you tell me _____?

　 - Yes. To take back my dictionary.

A. why did you come here　　　　　 　　　　　　　 B. when do you come here

C. why you came here　　　　　　　 　　　　　　　　 D. when you come here

14. I won’t leave my office until my work _____.

A. finish　　　　 　　　　 B. will finish　　　　 　 C. are finished　　 　　　　　　　 D. is finished

13. - Must I park my car behind the building?

　 - No, you _____. You _____ park it here.

　 A. mustn’t; may　　　　 B. may not; must　　　　　 C. don’t have to; may 　 D. shouldn’t; must

12. - How often do you go back to your hometown?

- _____.

　 A. Since three weeks ago　 　　　　　　　　　　　　　　　 B. For three weeks　 　

C. In three weeks　 　　　　　　　　　　　　　　　　　　　　　　　　 D. Every three weeks