Question

【题目】If people keep______the river, there will be no fish in the river.

A. polluting B. pollute

C. polluted D. to pollute

Answer 1

【答案】A

【解析】句意：如果人们继续污染这条河流，河里将不会有鱼了。keep doing sth.一直做某事，不断做某事。故答案选A。