19. _____ we make $ 5,000 every month, it won’t take long for us to pay off the debt.

A. Giving that　　　　　 B. Assume that　 C. Assuming that　　　　　 D. Given what

18. The prisoner had almost disappeared into the darkness _____ he was spotted by the police.

A. while　　 B. since　　 C. as　　　 D. when

17. 已改No matter how long ____, the culture will keep on with its magical power.

A. dating back to　　　　 B. dating back　　 C. dated from　　　　　　 D. dated back

16. The key to the success of any film is finding a capable and qualified artistic director, _______ I always hope to be. 　A. who　　 B. that　　　 C. what　　　 D. which

15. If you don't like the school lunch, you have the _____ of bringing your own.

A. selection　　　　 B. choice　 C. alternative　　　　 D. election

14. The books in the library are classified ___ subject.

A. by　　　 B.　 on　　　　 C.　 in　　　　　　　 D. at

13. ----Why on earth didn’t you answer the phone?　

----I’m sorry, but the doorbell _______ too.

A. is ringing 　　　 B. was ringing 　 C. had rung 　　　 D. was about to ring

12. ______ I admit there are differences between us, I don’t think they can separate us. A. When　 　B.　If 　　 C. While　 　　　 　D. As

11. Nobody would stand out admitting the fact, for some reason, _______ the priceless treasure had gone. A. that　　　　　　　　　　 　B. which　　　　　 　C. what　　　　　　 　　　　 D. why

10. 已改_____, the village seems familiar to me, but I have never been here before.

A. Somehow　　　　 B. Anyhow　　　　　 C.　 Somewhat　　　　　　 D. Anyway