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				 -      paper  is really easy.- I agree. But it’s hard      riding in  cars.  A. Recycling, to stop   B.  Recycle, to stop    C. Recycling, stop D. Recycle,  stop			【查看更多】
			


		
           
          


		
          
		
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          -_____ paper is really easy.
            
          - I agree. But it’s hard ____ riding in cars.
            
          A. Recycling, to stop                          B. Recycle, to stop
            
          C. Recycling, stop                     D. Recycle, stop
          

			
          
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          —I think _______ books and paper is really easy.                 
          —I agree.But it's hard to stop_______ in cars.            
          

          [     ]
          A. recycle, riding            
          B. recycling, ride           
          C. recycle, to ride                   
          D. recycling, riding
          

			
          
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