13. A large number of students _____ to work in Xingjiang.
A. have gone B. has gone C. goes D. is going
12. I think maths _____ very difficult to learn.
A. is B. are C. has D. have
11. Most of the houses _______ this year.
A. has built B. have built
C. has been built D. have been built
10. Everyone except Tom and John _____ there when the meeting began.
A. is B. was C. are D. were
9. Our knowledge of computer _____ growing all the time.
A. be B. is C. are D. were
8. The old man has two children but _____ of them lives with him.
A. both B. none C. neither D. all
7. ------Two months _______ quite a long time.
------Yes. I’m afraid that he will miss a lot of lessons.
A. is B. are C. was D. were
6. My shirt _____ white and my trousers _____ blue.
A. are; are B. are; is
C. is; is D. is; are
5. Are there any _______ on the farm?
A. horse B. duck C. chicken D. sheep
4. _______ of them has his own opinion.
A. Both B. Some C. Every D. Each