We will save a lot of trees if we__________ waste paper12. We will save a lot of trees if we__________ waste paper. A. repeatB. recycleC. rewriteD. remake 13. We should use reusable shopping bags plastic bags. A. instead ofB. in spite ofC. because of D. place of 14. If she__________ work hard for the exam, she will fail the exam. A. isB. don’tC. doesn’tD. isn’t 15. These three Rs__________ reduce, reuse, and recycle A. stand upB. mean forC. ask forD. stand for 16. We can reuse__________. It is good for our environment. L A. waterB. airC. noiseD. bottles 17. Polluted water can make fish__________. A. liveB. sleepC. dieD. grow 18. If the air is__________ , people will suffer from breathing problems. A. unpollutedB. pollutedC. cleanD. fresh 19. We are very tired with the__________ pollution from the factories in this area. A. noisy B. noiseful C. noiseD. noisily 20. In the future, robots will care of the children and do all the housework. A. doB. bringC. makeD. take 21. “What about going to the cinema?” "__________" A. Sound great.B. No, I don’t like.C. Yes, I can.D. I hope so 22."Let's plant some trees in our school." - "__________" A. That's a good ideaB. Yes, please. C. No, thanks.D. Yes, I would. |