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				29．--Do you know  Danny?--Yes.I first met him two years ago．He          at a book store at that time．A．had worked      B．worked       C．has worked     D．was working			【查看更多】
			


		
     
    


		
    
		
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    --Do you know Danny?
      
    --Yes，I first met him two years ago．He ________ at a book store at that time．
      
    A．had worked            B．worked          C．has worked           D．was working
    

			
    
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