Bài tập 1: chọn đáp án đúng
1. A large number of students in this school………. . English quite fluently.
a. speaks b. is speaking c. has spoken d. speak
2. A series of lectures………being presented at the Central Hall this week.
a. are b. will be c. has become d. is
3. Beauty as well as health ………. failed her this term.
a. has b. have c. is d. are
4. Bread and butter ………. what she asks for.
a. is b. are c. will be d. have been
5. Each student………. answered the first three questions.
a. has b. have c. have to d. must
6. Either John or his wife ………breakfast each morning.
a. make b. is making c. makes d. made
7. Everybody who ………. a fever must go home at once.
a. has b. have c. is having d. are having
8. Five dollars ………all I have on me.
a. are b. is c. will be d. have
9. John, along with twenty friends, ………. planning a party.
a. are b. is c. has been d. have been
10. Mathematics………. . the science of quantity.
a. was b. are c. is d. were
Bài Làm:
1. D. A number of luôn kết hợp với động từ số nhiều.
2. A
3. A
4.A
5. A
6. C
7. A
8. B. Các danh từ chỉ thời gian, tiền bạc, khoảng cách thường kết hợp với động từ số ít.
9. B
10. C