Many people panicked that the river,which supplies them with water ,had been p--__-
问题描述：
Many people panicked that the river,which supplies them with water ,had been p--__-
答
polluted
答
Many people panicked that the river, which supplies them with water ,had been polluted--__-被污染
答
polluted 这里要用被动,被污染
水被污染了,和很多人都惊慌失措