阅读短文选择填空。
We should ________ more trees. We ______ cut down too many trees. We should stop factories from pouring (倾倒)_____ water into rivers. We should save ______. We should not drive too much. We can go to work or school by bus or ____. We can reuse paper and plastic bags. We can make the world a better(更好)place.
(1)A. water B. plant C. buy
(2)A. can B. should C. shouldn’t
(3)A. dirty B. clean C. much
(4)A.trees B. energy C. water
(5)A. by taxi B. by car C.on foot