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				 ---- My baby has a heart trouble.   ---- Did the doctor find it difficult        ?    A. in treating    B. treating    C. for treating   D. to treat			【查看更多】
			


		
           
          


		
          
		
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           ---- My baby has a heart trouble.          ---- Did the doctor find it difficult ______ ?
            
               A. in treating          B. treating            C. for treating         D. to treat
          

			
          
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          ---- My baby has a heart trouble.         
---- Did the doctor find it difficult ______ ?
          


          
 
          
  
  
          A．in treating
          
            		
  
  
          B．treating
          
            		
  
  
          C．for treating
          
            		
  
  
          D．to treat
          
            		
 
          

          


           
          

			
          
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