10.We should use reusable water bottles ................. plastic ones.

A. because B. instead of C. despite D. however

11.Walking to school will help............. air pollution

A.reduce  B.reuse  C.recycle  D.refill

12.. We should go to school by bike to ........... the energy.

A. save B. protect C. pollute D. spray

13. One of the bad things about ...........is that it can make fish die.

A noise pollution B. soil pollution C. water polution D. air polution

14.We _______________ go to the party. We’re going to a wedding.

A. couldn't B. won’t be able to C. will can't D. want be able

15.We use a ........to change the channels froms a distance.

A. remote control  B. TV schedule  C. newspaper  D. volume button

10. B. instead

11. D. reduce

12. A. save

13. C. water pollution

14. B. won't be able to

15. A. remote control