A. are
B. is
C. being
D. be
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EX1:
1. In most major cities of the United States, the mayor....... by a simple majority
a. is being elected
b. is elected
c. had been elected
d. were being elected
2. The traditions in our family ........ from generation, and I expect this will continue in the future
a. are going to be passed down
b. were being passed down
c. may have been passed
d. have been passed down
3. My passport...... last year while I was on vacation
a. is stolen
b. was stolen
c. will be stolen
d. was being stolen
4. Most of the email accounts at our company ..... by a virus last week
a. affected
b. was affected
c. were affected
d. have been affected
5. Over 400 babies ..... in our community last year
a. born
b. be born
c. are born
d. were born
6. It...is believed.....that supplies of oil and natural gas may be exhausted in under 100 years
7. Where.........that only men can become president of this club?
a it is written
b. is it written
c. is it being written
d. be believed
8. I think students..... to major in the sciences at this university for the past several years.
a.was being encouraged
b. are being encouraged
c. should be encouraged
d. have been encouraged
9. ...... a tour of the facilities? It is important for you to see everything
a. were you given
b. you could be given
c, you had been given
d, are you given
10. Many issues ....... at the meeting by the time you arrived
a. are raised
b. raised
c. had been raised
d, have been raised
11. Many important but rare species of plants ........ in the Amazon
a, finds
b. are finding
c. are found
d. is found
12. The people in the last row were ..... first
a.seating
b, seat
c. seated
d. been seated
13. Where..............?
a. those photos were taken
b, were those photos taken
c, have been taking those photos
d. those photos have been taken
14. Details of the accident will........ some time tomorrow
a. release
b, be released
c. are released
d, being released
15. In the past, it was...... that the sun revolved around the Earth
a. thinking
b, think
c, has thought
d, thought
16. Congratulations to Dr. Casey. She has ..... a" first- class sufgeon" by a national journal
a. be named
b, being named
c, been naming
d. been named
IV. Circle the best answer.
1. My room _________________________ in the house by her now.
A. is being cleaned B. are being cleaned C. will be cleaned D. would be cleaned
2. Tom ___________________________ by Mary since 10 o'clock.
A. has operated B. have been operated C. has been operated D. All are wrong.
3. Someone __________________ to take his place.
A. must be find B. might be find C. should be finds D. must be found
4. 20 demonstrators ________________________ by the police.
A. was arrested B. were arrested C. was arresting D. A & B
5. That book ______________________ by Tom yesterday.
A. were bought B. bought C. A & B D. was bought
6. Much of the city ______________________ by fire in the 17th century.
A. was destroyed B. is destroyed C. are destroyed D. were destroyed
7. Work _________________________ by the teacher.
A. are being watched B. was being watched C. is being watched D. B & C
8. My house __________________ red and blue.
A. are painted B. is painted C. was painted D. All are wrong.
9. The grain _________________ to the factory, where it _______________ and __________.
A. are taken / cleaned / is checked B. is taken / is cleaned / is checked C. was taken / was cleaned / was checked D. is taken / is cleaned / checked
10. Jag Niwas _______________________ by Prince Maharana Jagat Singh II.
A. were built B. are built C. was built D. is built
11. The wall _______________________ before you paint it.
A. must be cleaned B. should cleaned C. might been cleaned D. No answer is right
12. The Garden of Clear Ripples ___________________ by The Qing Emperor Quinlong in the middle of the 16th century.
A. designed B. was designed C. were designed D. B & C
13. This computer _________________________ to use
A. will be continued B. would continued C. should continue D. must continues
14. A lot of food _____________________ these days.
A. are thrown B. were thrown C. is thrown D. was thrown
16. Many U.S automobiles .................. in Detroit, Michigan.
A. manufacture B. have manufactured C. are manufactured D. are manufacturing
17. When I came, an experiment .................. in the lab.
A. was being holding B. has been held C. was being held D. has held
18. Last night a tornado swept through Rockvill. It ............. everything in its path.
A. destroyed B. was destroyed C. was being destroyed D. had been destroyed
19. This exercise may .................. with a pencil.
A. be written B. be to write C. be writing D. write
20. This picture .................... by Johnny when I came.
A. painted B. was painted C. was being painted D. had been painted
21. They speak much about this book.
A. This book is much spoken about. B. This book is much spoken.
C. This book is much about spoken. D. This book are much spoken about.
22. My shirt .................. by my sister on my last birthday.
A. gave B. was given C. had been given D. was being given
16. Many U.S automobiles .................. in Detroit, Michigan.
A. manufacture B. have manufactured C. are manufactured D. are manufacturing
17. When I came, an experiment .................. in the lab.
A. was being holding B. has been held C. was being held D. has held
18. Last night a tornado swept through Rockvill. It ............. everything in its path.
A. destroyed B. was destroyed C. was being destroyed D. had been destroyed
19. This exercise may .................. with a pencil.
A. be written B. be to write C. be writing D. write
20. This picture .................... by Johnny when I came.
A. painted B. was painted C. was being painted D. had been painted
21. They speak much about this book.
A. This book is much spoken about. B. This book is much spoken.
C. This book is much about spoken. D. This book are much spoken about.
22. My shirt .................. by my sister on my last birthday.
A. gave B. was given C. had been given D. was being given
Đáp án A
Giải thích: there are + Ns: có
Dịch: Có nhiều lý do cho sự ô nhiễm này.