Every means prevent the water . A. are used to ; polluting B. get used to ; polluting C. is used to ; pollute D. is used to ; being polluted 查看更多

 

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Every means ________ prevent the water ________.

[  ]

A.are used to; polluting

B.get used to; polluting

C.is used to; pollute

D.is used to; being polluted

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