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We should prevent pollution happily. A. from living B. to live C. from being lived D. to living 【查看更多】

 

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We should prevent pollution ______ happily.

       A.from living B.to live  C.from being lived D.to living

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We should prevent pollution _____ happily.      
  A. from living     B. to live       C. from being lived   D. to living  

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