20. Reading good books for a few hours every day can make a ______to children.
A. problem B. difference C. product D. harm
19. We should buy things ____ locally.
A. producing B. are producing C. are produced D. produced
18. It’s impossible ____ a taxi on such a rainy day.
A. for getting B. of get C. to get D. to getting
17. ____ to the meeting on time tomorrow. It’s very important.
A. Don’t come B. Do come C. Not come D. Coming
16. Drinking too much ____ your health.
A. do harm to B. is harm to
C. does harm to D. do harmful to
15. These are plastic bags. Don’t ____.
A. throw away it B. throw it away
C. throw away them D. throw them away
14. Do you know how to ____ ice into water?
A. change B. dry C. make D. produce
13. My parents go to work by bike ____ by bus.
A. instead B. instead of C. but D. and
12. Do turn off TV after watching _______ that you can use _______ energy.
A. so, less B. so, more C. because, little D. because, much
11. Many people prefer clothes made _______ to those made _______.
A. in abroad, in China B. abroad, from China
C. in abroad, China D. abroad, in China