20. To learn to speak English well,_______.

A. much practice is needed by one　　 B. much practice is needed

C. one needs much practice　　　　　 D. one is needed much practice

19. _____ and angry, Marry began to cry loudly and then she ran out of the room.

A. Disappointed　　　　　　　　　 B. Disappointing　　

C. Being disappointed　　　　　　　 D. To be disappointing

18. Through ______ money, his parents can’t afford to send him abroad for further study.

　　 A. lack of　　　 B. lacking in　　 C. lacking　　 D. lack

17. 　Finding some necessary information in Google’s index _____ free software _____ at http:// video Google com.

A. provide; useful　　　　　　　 B. requires; available　

C. provides; available　　　　　　 D. require; useful

16. Another manned spaceship: ShenZhou VI, _____ China greets a new century, marks new progress in space program.

　　 A. after which　　　 B. from which　　 C. in which　　 D. with which

15. To make members of a team perform better, the trainer first of all has to know their_____ and weakness.

　　 A. benefits　　　 B. values　　　 C. techniques　　 D. strengths

14.---- Tony, you look puzzled. Have you understood me ?

---- I’m sorry. I _____ another problem just now.

A. have thought of　　　　　　　 B. am thinking of　

C. had thought of　　　　　　　 D. was thinking of