1. D　 2. A　 3. A　 4. C　 5. B　 6. D　 7. B　 8. A　 9. C　 10. D　 11. B　 12. D　 13. C　 14. C　 15. B　 16. B　 17. A　 18. C　 19. A　 20. B

解析：

20. The book is so wondeHul that it’s _____ worth

A. well, reading the second time　

B. well, reading a second time

C. very, reading the second time　

D. very, reading a second time

Key:

19. The only thing I like very much is the watch _____ by my uncle.

A. sent　　　　　　　 B. being sent

C. to be sent　　　　　　 D. was sent

18. Ten dollars __ too expensive for such a book.

A. seem　　　 B. seem to be　

C. seems　　　 D. are

17. -Have you decided _____?

　 -Not yet.

A. when to go there　　 B. when we go there

C. when are we leaving　 D. when to be leaving

16. -Are the two stories very interesting?

　 -No, _____。

A. no one is　　　 B. neither is　

C. either is not　　 D. none is

15. The boy knows little of advanced mathematics, _____ of subjects of science.

A. even more　 　　　　B. still less

C. no more than　　　　 D. as much as

14. Do you know _____ he could have done with the pen if he had not lost it?

A. where　　 B. why　　 C. what　 D. when

13. _______ you have got the book, you’ll have to read it carefully.

A. For　　　 　　B. Because of　

C. Now that　 　D. So that

12. I’ll have to give the ball to _____ wants to go back to the classroom.

A. anyone 　　　B. who　

　C. someone　 　D. whoever