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				There has been a great increase in retail sales ,     ﹖   A. does there      B. isn't there       C. hasn't there     D. isn't it			【查看更多】
			


		
           
          


		
          
		
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          There has been a great increase in retail
sales , ____﹖　　
          


          
 
          
  
  
          A．does there
          
            		
  
  
          B．isn't there
          
            		
 
          
 
          
  
  
          C．hasn't there
          
            		
  
  
          D．isn't it
          
            		
 
          

          


           
          

			
          
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          There has been a great increase in retail sales , ____﹖ 　　 
            
          A. does there     B. isn't there   
            
             C. hasn't there      D. isn't it
          

			
          
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