17. A large number of the students in our class _______ girls.

　　 A. are　 B. was　 C. is　 D. be

16. The total number　 of the population in China _______ about 100 million on April 14, 1989.

　　 A. added up　　 B. was　 C. were　 D. rose

15. More than 60 percent of world`s radio programmes ______ in English.

　　 A. is　　 B. was　 C. are　　 D. be

14. About 40 _____ of the population of that country ______ on farms .

　　 A. percent ; lives　 B. percent ; live　 C. percents ; live　 D. percents ; lives

13. Only _____ in the school ______ been repaired .

　　　 A. one third of the desks ; has　 B. one third desks ; have　 C. one third of the desks ; have

　　　 D. one third of desks ; have

12. Three-fourths of the homework ______ today .

　　　 A. has finished　 B. has been finished　 C. have finished　 D.have been finished

11. Seventy percent of the students here ______ from the countryside.

　　 A. is　 B. are　 C. comes　 D. has come　

10. I have always been honest and straightforward , and it doesn`t matter ______ I`m talking to .

　　 A. who is it　 B. who it is　 C. it is who　 D. it is whom

9.　 It was only with the help of the local guide _________ .

　　 A. was the mountain climber rescued　 B. that the mountain climber was rescued　

　　 C. when the mountain climber rescued　 D. then the mountain climber was rescued

8.　 Bill`s aim is to inform the viewers that cigarette advertising on TV is illegal, _______ ?

　　 A. isn`t it　 B, is it　 C. isn`t he　 D. is he