Ex1. Choose the correct answer to each question.
1. When _______ in international trade, letters of credit are very convenient.
A. using B. are used C. used D. they used
2. The 26th Annual Meeting of the Asia-Pacific Parliamentary Forum (APPF) _______ in
Hanoi, our beautiful and peaceful capital city, from January 18th to 21st, 2018.
A. was held B. is held C. is being held D. will be held
3. We _______ hard when we were at school.
A. made to study B. were made study C. made studying D. were made to study
4. Her fiancé is said _______ from Harvard University five years ago.
A. having graduated B. to have graduated
C. being graduated D. to be graduated
5. Only one of our gifted students _______ to participate in the final competition.
A. was choosing B. chosen C. has been chosen D. have been chosen
6. They cancelled all flights because of fog. = ____________________
A. All flights were cancelled by them of fog.
B. All flights were because of fog were cancelled.
C. All flights were because of fog cancelled.
D. All flights were cancelled because of fog.
7. This building _______ finished by the end of last year but there have been so many
strikes that it isn't finished yet.
A. will have been B. should have been
C. was to have been D. may not have been
8. Those letters _______ now. You can’t do the typing later.
A. need typing B. needn't be typed C. need to type D. needn’t to typing
9. DNA tests _______ in courts.
A. allowing to use B. allowed to use
C. are allowed to be used D. are allowing to be used
10. It was his duty to tell me the truth = _______________
A. He supposed to tell me the truth. B. He didn’t tell me the truth.
C. He was supposed to tell me the truth. D. He supposed telling me the truth.