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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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