16. He found it hard to concentrate on his writing ______ so many people around.
A. when
B. during
C. because
D. with
17. When she was five, the girl’s father decided to ______ a pianist of her.
A. develop
B. build
C. make
D. do
18. ______ automobile pollution, the air quality in this city has become worse.
A. As a result of
B. In spite of
C. But for
D. As for
19. Her friends did not expect her to ______ all their suggestions.
A. turn down
B. turn over
C. take off D. take away
20. The motor isn’t ______ enough to push the car up the hill.
A. tough
B. powerful
C. strong
D. big |
