题目内容
【题目】The government warned the factories _____the water again.
A.polluteB.to pollute
C.not polluteD.not to pollute
【答案】D
【解析】
句意:政府警告一些工厂不要再污染河水,否则他们将会被惩罚。考查warn的固定用法。warn sb. not to do sth. 警告某人不要做某事,故选D

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题目内容
【题目】The government warned the factories _____the water again.
A.polluteB.to pollute
C.not polluteD.not to pollute
【答案】D
【解析】
句意:政府警告一些工厂不要再污染河水,否则他们将会被惩罚。考查warn的固定用法。warn sb. not to do sth. 警告某人不要做某事,故选D