1. I’ve ______ my glasses everywhere but I can’t find them anywhere. A. looked at B. looked after C. looked for D. looked

1. I’ve ______ my glasses everywhere but I can’t find them anywhere.
A. looked at B. looked after C. looked for D. looked up
2. Your shoes are dirty. You’d better ______ before you come in.
A. take them off B. put them away C. put them on D. take them away
3. Everybody must take part in ______ deforestation.
A. persuading B. preventing C. preserving D. providing
4. If we use too much ______ on vegetables, the vegetables will become poisonous and inedible.
A. pollutant B. dynamite C. trash D. pesticide
5. Once you have filled a bag, come back to me ______ you will need another.
A. so B. or C. but D. as
6. It was raining; ______, the soccer game was going on.
A. and B. but C. however D. therefore
7. Mrs. Pike gives Mrs. Ha advice ______ how to save energy.
A. about B. on C. for D. in
8. Throw those soda bottles over the hedge to save us ______ taking them home.
A. for B. with C. from D. off
9. A: I think it would be better if we use banana leaves to wrap food.
B: ______.
A. Why? How come? B. Don’t worry! C. You’re great! D. Nonsense!
10. If people stop using dynamite to fish, a lot of sea creatures will be well ______.
A. preserve B. preservation C. preserved D. preservative
11.His hobbies are playing soccer ______ collecting stamps.
A. and B. but C. however D. although
12.I’d love to play volleyball ______ I must complete my homework.
A. since B. moreover C. but D. and
13.Scientists are looking for an ______ way to reduce energy consumption.
A. effect B. affection C. effective D. effectively
14. What can we do to spend less ______lighting?
A. in B. on C. about D. of