New ways have been found to prevent the river ______.A.not to be pollutedB.against pollutingC.from p

题目简介

New ways have been found to prevent the river ______.A.not to be pollutedB.against pollutingC.from p

题目详情

New ways have been found to prevent the river ______.
A.not to be pollutedB.against polluting
C.from pollutingD.from being polluted
题型:单选题难度:中档来源:不详

答案

D
固定词组。Prevent sb (from) doing sth阻止某人做某事;句意:新的方法已经被发现来阻止河流被污染。

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