A. Have one more hour B. One more hour

　　C. Given one more hour D. If I have one more hour

　　答案　B

　　解析　根据句意，one more hour＝if I'm given one more hour。

9. -Did you watch the basketball match yesterday?

　　-Yes, I did. You know，my brother ________ in the match.

　　A. is playing B. was playing C. has played D. had played

　　答案　B

　　解析　对话讲述的是过去某一具体时间段的事，故应选过去进行时。

10. -Hi，Bob，are you going to attend tomorrow's conference?

　　-Oh，I'm afraid not, ________ invited to.

　　A. even if B. as if C. even as D. since

　　答案　A

　　解析　even if invited to是省略句，相当于even if I am invited to。

11. Who did the teacher，as well as the monitor，________ an article for the wall newspaper?

　　A. has written B. has write C. have write D. have written

　　答案　C

　　解析　本句基本结构为：did the teacher have who write. . . 。

12. How can expect to learn anything ________ you never listen?

A. in case B. even if C. unless D. when