Question

【题目】We have only one earth. We should ____ and take actions to protect it.

A. stop to pollute B. stop polluting

C. to stop to pollute D. to stop polluting

Answer 1

【答案】B

【解析】

试题分析：句意：我们只有一个地球。我们应该停止污染，采取措施来保护它。stop to do sth.：停下来去做另一件事（两件事）；stop doing sth.：停止做某事（一件事）。结合句意可知选B。