15. I first met Lisa three years ago. She ______ at a radio shop at that time.

　 A. has worked　　　　　　　　　　　　　　　　　　　　　　　　 B. was working

　 C. had been working　　　　　　　　　　　　　　　 D. had worked

14. My mother doesn't want to find a job and would rather _______ at home and be a

housewife.

　 A. stay　　　　　　　　　 B. staying　　　　　　　　　 C. to stay　　　　　　　　　　　　　 D. have stayed

13. Some countries are amazed that China has developed _______ such a high speed.

　 A. as　　　　　　　　　　　 B. with　　　　　　　　　　　 C. for　　　　　　　　　　　　　　　　 D. at

12. ----Have you found the telephone number I need?

　 ----Yes.______, I had to look through the address book for nearly half an hour.

　 A. Find it out　　　　　　　　　　　　　　　　　　　　　　 B. To find it out　　　　

C. Having found it out　　　　　　　　　　　　　　　　　 D. Found it out

11. ----Coco, how can you become so good at _____ physics in only one month?

　 ----I spend at least 3 hours studying at home every day after _____ school.

　 A. /; /　　　　　　　　　　　 B. the; /　　　　　　　　　　　 C. /; a　　　　　　　　　　　　　　　　 D. a; the

10. My father used to ______ on weekends, but now he is used to ______ every evening.

　 A. go fishing; dance　　　　　　　 B. going fishing; dance

　 C. going fishing; dancing　　　　　 D. go fishing; dancing

9. Liu Huan is known ______ a popular singer, who is also a teacher at the University of International Business and Economics.

　 A. to　　　　　　　　　　　 B. for　　　　　　　　　　　　　 C. as　　　　　　　　　　　　　　　　 D. with

8. It is generally believed that _______ you work, ________ you will be.

　 A. the harder; the more successful　　　　　　 B. harder; more successful

　 C. the more harder; the more successful　 D. the harder; more successful