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				       the window, my finger was cut unexpectedly.      A. Clean     B. To clean     C. While cleaning   D. While I was cleaning			【查看更多】
			


		
           
          


		
          
		
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          _____ the window, my finger was cut unexpectedly. 
              A. Clean     B. To clean     C. While cleaning    D. While I was cleaning  
          

			
          
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          ______ the window, my finger was cut unexpectedly. 
          


          A. While I was
cleaning    B. To clean    C.
Cleaning    D. While cleaning 
          


           
          

			
          
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          _____the window,my finger was cut
unexpectedly.
          


          A.Cleaning   B.While
cleaning   C.While I was cleaning   D.To clean
          


           
          

			
          
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          ______ the window, my finger was cut unexpectedly. 
            
          A. While I was cleaning    B. To clean    C. Cleaning    D. While cleaning 
          

			
          
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          —What’s the matter with you?
          —______ the window, my finger was cut unexpectedly.
          

          [     ]
          A. Cleaning   
          B. To clean   
          C. While cleaning  
          D. While I was cleaning
          

			
          
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