题目内容
We must prevent water pollution ________ the people along the river have safe drinking water.
[ ]
A.from making
B.from being made
C.to make
D.to have made
答案:C
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题目内容
We must prevent water pollution ________ the people along the river have safe drinking water.
A.from making
B.from being made
C.to make
D.to have made