题目内容
【题目】It's necessary to keep the water from _______.
A.polluting
B.be polluted
C.being polluted
D.polluted
【答案】C
【解析】句意:防止水被污染是必要的。词组:keep sb/sth from doing阻止/防止……做某事。另外,水与污染的关系是被动的,所以选C。
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题目内容
【题目】It's necessary to keep the water from _______.
A.polluting
B.be polluted
C.being polluted
D.polluted
【答案】C
【解析】句意:防止水被污染是必要的。词组:keep sb/sth from doing阻止/防止……做某事。另外,水与污染的关系是被动的,所以选C。