题目内容
18、Every means to prevent the river from .
A.has been used; being polluted B.is used; polluted
C.are used; being polluted D.got used; polluting
试题答案
18、A
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题目内容
18、Every means to prevent the river from .
A.has been used; being polluted B.is used; polluted
C.are used; being polluted D.got used; polluting
试题答案
18、A