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				14．The old lady  didn't know          when the house caught fire．A．how to do     B．how to do it      C．what to do     D．what to do it			【查看更多】
			


		
     
    


		
    
		
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    The old lady didn't know ________ when the house caught fire．
      
    A．how to do          B．how to do it          C．what to do              D．what to do it
    

			
    
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    The old lady didn't know ________ when the house caught fire．
    

    

    [　　]
    

    A．how to do
    

    

    B．how to do it
    

    

    C．what to do
    

    

    D．what to do it
    

    

    

			
    
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    The old lady didn’t know         when the house caught fire.
    A．how to doB．how to do with itC．what to doD．what to do it
    

			
    
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    The old lady didn’t know         when
the house caught fire.
    


    
 
    
  
  
    A．how to do
    
      		
  
  
    B．how to do with it
    
      		
  
  
    C．what to do
    
      		
  
  
    D．what to do it
    
      		
 
    

    


     
    

			
    
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    The old lady didn’t know         when the house caught fire.
    A．how to doB．how to do with itC．what to doD．what to do it
    

			
    
				查看答案和解析>>
			
    
		
    
						
    
				
    
	
    
	
    
		
    


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