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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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