1. _____in the country before, we were initially confused about the value of each coin.
A. Having ever been      B. Being ever       C. never having been        D. being never
2. By studying the movements of the sun and moon, even early astronomers could_____eclipses would take place.
A. predicting when     B. when it predicts     C. the prediction when     D. predict when
3. A television camera produces an image by convening_____receives into a series of bright and dark dots.
A. and it     B. it     C. what it     D. that it
4. The seating of musicians in an orchestra is arranged ( bị động )_____to produced the desired blend of sounds from the various musical sections.
A. the conductor of      B. from the conductor     C. the conductor and     D. by the conductor
5. _____choose to live in or near metropolitan areas simply because they like the rapid pace of city life. ( cần danh từ )
A. So large numbers of people to               B. there are large numbers of people
C. large numbers of people                         D. large numbers of people who
6. _____a continuous mass of water on the Earth's surface, all continents are islands in the strictest
sense of the word.
A. The form of the oceans                          B. since the oceans form
C. to form the oceans                             D. that the oceans form
7. The skyscraper_____, is an architectural form that originated in the united states.
A. is a tall commercial structure                    B. a tall commercial structure
C. a tall commercial structure which                 D. of which a tall commercial structure
8. Exhausted, we went directly to bed,_____. ( câu này mình không chắc chắn )
A. his knocking on our door was ignored by us     B. ignored him knocking on our door
C. ignored him knocking with our door     D. ignored his knocking on our door

1. A

2. D

3. D

4. D

5. C

6. B

7. D

8. A