Question

【题目】Forests are very important to human beings, a lot of water _____by forests.

A. save B. can be saved C. can save

Answer 1

【答案】B

【解析】句意：森林对于人类来说非常重要，很多水可以被森林节约下来。根据by forests可知此处用被动语态，故选B。