15. ---How long ____ you ____a fever?

　 ---Ever since last night.

　 A. have, got　　　 B. have, had　　　 C. have, caught　　　 D. did, have

14. ---The artist has got _____ much work to do that he hardly has time to help his wife with the housework.

　 ---That's true. Even on Sundays he is busy with his work.

　 A. too　　 B. so　　　 C. very　　　　 D. such

13. ---What do you think of these two books?

　 ---_____ of them are interesting. And I've read them several times.

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

12. ---My trousers are______ .

　 ---I'll buy you a new pair.

　A. wore out　　 B. worn out　　　 C. wearing out　　　 D. sold out

11. ---Will you please show me how to operate the new machine?

　 ---Sure. It's a piece of cake. Now let me tell you _____ to do first.

　A. what　　　 B. how　　　 C. whether　　　 D. which

10. ---May I go out with you tomorrow?

　 ---If your job ______by then.

　A. has been finished　　　 B. finish　　　 C. will be finished　　　　 D. will finish

9. The children ______ not to play with the fire.

　A. are often told　　 B. tell　　　 C. are telling　　 D. told

8. With the help of the computer, information can ____every corner of the world swiftly.

　A. get　 B. reach　　 C. arrive　　 D. return

7. ---You seem to like sweets.

　---_______ .That's probably why I'm becoming fatter and fatter.

　A. So I do　　　 B. So do I　　　 C. So am I　　　 D. So I am

6. ---I'm sorry to have kept you waiting long.

　---Never mind. I ____ here for only a few minutes.

　 A. have been　　　 B. have come　　　 C. have arrived　　　 D. waited