19. Over 80 percent of the population ___ workers.

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

18. There ___ a knife and fork on the table.

A. are　　　　　　　 B. is seeming to be　　 C. seem to be　　　　 D. seems to be

17. Those who ___ singing may join us.

　A. is fond of　 　　　B. enjoy 　　　　　　　C. likes　 　　　　　D. are liking

16. A professor and a writer ___ present at the meeting.

A. had been　　　　　 B. were　　　　　　 C. is　　　　　　　　 D. was

15. The pair of shoes ___ worn out.　

　 A. had been　　 B. have been　　 C. were　 D. was

14. The students in our school each ___ an English dictionary.

A. are having　　　　　 B. had　　　　　　　 C. has　　　　　　　 D. have

13. More than one answer ___ to the question.

A. had given　　　　　 B. were given　　　　 C. has been given　　 D. have been given

12. The boy sitting by the window is the only one of the students who ___ from the countryside in our school.

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

11. Our family ___ a happy one.　　　　　　　

　　　 A. are　 B. was　 C. are　 　D. is

10. The rest of the novel ___ very interesting.　　　

　 A. seem　　 B. is　 C. are　 D. were