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				(  ) This is an illness that can result in total blindness    if     .    A. leaving untreated  B. left untreated    C. leaving to untreat D. left untreating    [解析]選B if后的邏輯關(guān)系是:這種病被忽視未被  治療.表示被動(dòng)關(guān)系.通過兩個(gè)分詞left和untreated表示.  完整句子為:if it is left untreated.分詞作非謂語(yǔ)動(dòng)詞可帶  連詞.			【查看更多】
			


		
           
          


		
          
		
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           This is an illness that can result in total blindness if_______. 
            
          A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated 
          

			
          
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          This is an illness that can result in total blindness if_______. 
            
          A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated 
          

			
          
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           This is an illness that can result in total blindness if_______. 
            
          A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated 
          

			
          
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          This is an illness that can result in total blindness if ________ untreated in time.
            
          A. being left              B. left               C. to be left            D. leaving
          

			
          
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          This is an illness that can result in total blindness if ________．
          

          

          [　　]
          

          A．

          leaving untreated
          

          

          B．

          left untreated
          

          

          C．

          leaving untreating
          

          

          D．

          left untreating
          

          

          

			
          
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