20. ― Why do you want to change your job?

― I’ve been _______ typing and _______ so many telephones every day.

　A. tired of; answered 　　　　 B. tiring from; answered

C. tired of; answering　　 　 　D. tiring from; answering

19. Often he ____ sit for hours doing nothing at all when he was in low spirits.

A. should　　　 B. would　　　　 C. could　　　 D. might

18. --- Is it ____ that the spaceship will be launched within this week?

---No, I don’t think so.

A. probably　　 B. perhaps　　　 C. possibly　　 D. likely

17. The two leaders have _____ the foundations of a new era in cooperation between their countries.

A. laid　　　　 B. lied　　　　　 C. lain　　　　 D. set

16.A man who hesitates______everything cannot do anything successfully.

A. to do　　　　　　 B. doing　　　　　　　 C. for doing　　 D. in doing

15. They build a raft _______ the sea and _______ by ancient sea creatures.

　　 A. to cross; are attacked　　 B. across; attacked　

　 C. crossing; to attack　　　 　D. to be crossed; attacked

14. If you have a lot of things to do, just ____ them in order of importance by making a list.

A. achieve　 　　B. to achieve　 　C. arrange　　 　D. arranging

13. It was in 1963 　　　　　king gave the speech “I Have a Dream”， 　　　　　inspired people of all races to fight for equality.

A. when; that　　 B. that; when　 　　　 　C. that; which　 D. which; when

12. After several part-time jobs, he’s now got a _________ job in a bank.

A. precious　　 　 B. scary　　　　　 　 C. specific　　　　　 D. stable

Ⅱ、单项填空(共12小题，每小题1分，满分12分)

11. ---- Will Gabriel Gold bring us what we need on time?

　 ---- You can ______ him. He never lets you down.

A. turn out　　　 B. depend　　　 C. rely on　　　 D. believe