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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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