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				  ---Aren’t they working?       ---         , but they aren’t working well.    ---Sure, we need a hand.    A.  No, they aren’t         B. Yes, they are   C.  Sorry, I don’t know       D. Sure, they do			【查看更多】
			


		
     
    


		
    
		
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    — Aren't they working? 
    — _______, but they aren't working well. 
    — Sure, we need a hand. 
    

    [     ]
    A. No, they aren't 
    B. Yes, they are 
    C. Sorry, I don't know 
    D. Sure, they do 
    

			
    
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    ---Aren’t they working?
      
    ---_________, but they aren’t working well. 
      
    ---Sure, we need a hand.
      
    A. No, they aren’t                         B. Yes, they are
      
    C. Sorry, I don’t know                      D. Sure, they do
    

			
    
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