Question

【题目】The water is _____. We must be careful of ______.

A. pollute, pollute B. polluted, polluted C. polluted, pollution D. polluting, pollution

Answer 1

【答案】C

【解析】

句意：水被污染了。我们必须小心污染。考查动词语态和名词辨析题。前句the water是动词pollute的受动者，“is + done”表示被动语态，可排除AD两项；后句介词of后接名词，根据句意语境，可知选C。