30.　 None of them ___ workers. A. are　　　　 B. is　 C. maybe　　　　　　 D. can’t

29.　 All that I have _____ yours. A. are　　　　 B. is 　 C. belong to 　　 　D. gives

28.　 Making model ships ____ as difficult as difficult as making model planes.

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

27.　 One thousand kilometers ____ quite a long distance. A. are　 B. is C. mean D. has

26.　 The United States ____ the western countries. A. belong to 　　　 B. belongs of C. is D. are

25.　 “The Arabian Nights” ____ interesting stories.

A. is full　　　　　　　　 B. are full of 　　　　 C. are filled with　　 D. is full of

24.　 Ten dollars ____ much money. A. don’t mean B. not mean　 C. means D. doesn’t mean

23.Th number of the students ____ not more than 1000. A. are B. is C. has　　 D. have

22. Politics ____ my favourite subject. A. was 　 B. is 　　　 C. are　　　 D. were

21. A part of them _____ printed in Beijing.　　　 A. is 　　　 B. was 　 C. are　　　 D. has been