Question

【题目】To protect the environment better, we should encourage people _______ cars less often.

A. useB. usedC. usingD. to use

Answer 1

【答案】D

【解析】

ge

句意：为了更好地保护环境，我们应该鼓励人们少开车。encourage sb. to do sth.意为“鼓励某人做某事”，故选D。