从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
1. One-third of the area _____ covered with green trees. About seventy percent of the trees _____ been planted.
A. are; have B. is; has
C. is; have D. are; has
2. The number of teachers in our college _____ greatly increased last term.A number of teachers in this school _____ from the countryside.
A. was; is B. was; are
C. were; are D. were; is
3. What _____ the population of China? One-third of the population _____ workers here.
A. is; are B. are; are
C. is; is D. are; is
4. Not only he but also we _____ right. He as well as we _____ right.
A. are; are B. are; is
C. is; is D. is; are
5. What he’d like _____ a digital watch. What he’d like _____ textbooks.
A. are; are B. is; is
C. is; are D. are; is
6. He is one of the boys who _____ here on time. He is the only one of the boys who _____ here on time.
A. has come; have come
B. have come; has come
C. has come; has come
D. have come; have come
7. Either you or he _____ interested in playing chess. _____ you or he fond of music at present?
A. are; Are B. is; Are
C. are; Is D. is; Is
8. Many a professor _____ looking forward to visiting Germany now. Many scientists _____ studied animals and plants in the last two years.
A. is; have B. is; has
C. are; have D. is; are
9. A knife and a fork _____ on the table. A knife and fork _____ on the table.
A. is; is B. are; are
C. are; is D. is; are
10. Her family _____ much larger than mine four years ago. Her family _____ dancing and singing when I came in last night.
A. were; was B. was; were
C. was; was D. were; were
11. How and why Jack came to China _____ not known. When and where to build the new library _____ not been decided.
A. is; has B. are; has
C. is; have D. are; have
12. Now Tom together with his classmates _____ football on the playground.
A. play B. are playing
C. plays D. is playing
13. Two hundred and fifty pounds _____ too unreasonable a price for a second-hand car.
A. is B. are
C. were D. be
14. All but Dick _____ in Class Three this term.
A. are B. is
C. were D. was
15. Soon after the earthquake, every man, woman and child _____ about it.
A. were talking B. was talking
C. talk D. talks
