Question

【题目】I think everyone in our country should play a part in ______ the environment.

A. protect B. protected C. protecting D. to protect

Answer 1

【答案】C

【解析】

句意：我认为我们国家的每个人都应该在保护环境方面发挥作用。考查动词形式辨析题。play a part in与…有关/扮演一个角色，介词in后接动名词；根据句意语境，可知选C。