【题目】As the public square dancing is popular, the noise of it increasingly becomes a great concern to people. (deal)
随着广场舞的流行，怎样处理它的噪音日渐成为人们关注的问题。

【答案】how to deal with
【解析】根据中英文对照，可知缺少成分怎样处理，此句要用到“疑问词+动词不定式”，怎样用how，处理时deal with，所以答案是：how to deal with。