18. Chairman Mao' s works ____ published.

A. has been　　　　　 B.have been　　　 C.was　　　　　　 D.is

17. The Arabian Nights ____ well known to the English.

A. is　　　　　　　 B. are　　　　　　 C. was　　　　　 D. were

16. The number of deer, mountain lions and wild roses ____ much if people leave things as they are.

A. doesn' t change　　 B.don't change　　ge　　　　　ged

15. A large number of students in our class____ girls.

A. are　　　　　　　 B. was　　　　　　 C. is　　　　　　　 D. be

14. There ____ a pen, two pencils and three books on the desk.

A.are　　　　　　　 B.is　　　　　　　 C.has　　　　　　 D.have

13. The great writer and professor____.

A. is an old man　　　　　　　　　　　　 B. are both old men

C. is an old man and a young man　　　　 D. were two Chinese

12. The League secretary and the monitor____ asked to attend the .meeting this afternoon.

A.is　　　　　　　　 B.was　　　　　　 C.are　　　　　　　 D.is being

11. Alice, together with two boys,____ for having broken the rule.

A. was punished　　　 B. punished　　　　 C. were punished　　 D. being punished

10. Every means ____ tried but without any result.

A. have been　　　　 B.is to be　　　　 C.are to be　　　　 D. has been

9. The population of China ____ larger than that of .any other country in the world.

A.is　　　　　　　　　 B.are　　　　　　　 C.has　　　　　　　 D.have