The water is becoming cleaner and cleaner after the _______ (close) of that paper factory
问题描述：
The water is becoming cleaner and cleaner after the _______ (close) of that paper factory
答
closing.
closing：1.形容词,接近尾声的2.名词,倒闭那closed 为什么不行？the__of按语法看来，空格处应填名词，closing可为名词，closed只是动词的被动形式,close好像没有其他的名次形式。