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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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