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				 Nothing is difficult if you put your heart into it,    ?  A.  are they           B.  isn’t it        C.  is it             D.  aren’t they			【查看更多】
			


		
           
          


		
          
		
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          Nothing is difficult if you put your heart into it, ______? 
          

          [     ]
          A. are they 
          B. isn't it 
          C. is it 
          D. aren't they 
          

			
          
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          Nothing is difficult if you put your heart into it,        ?
            
          A. are they                    B. isn’t it               C. is it                          D. aren’t they
          

			
          
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          Nothing is difficult if you put your heart into it,       ? 
            
          A. are they                    B. isn’t it               C. is it                          D. aren’t they
          

			
          
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          Nothing is difficult in the world if you put your heart into it, ________ ?
          


          A. aren't they
          


          B. are they
          


          C. isn't it
          


          D. is it
          

			
          
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          Nothing is difficult in the world if you put your heart into it, ________?
          

          

          [　　]
          

          A．is it
          

          

          B．isn't it
          

          

          C．are they
          

          

          D．aren't they
          

          

          

			
          
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