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          ---How long has this shop _____?
          ---For about three weeks.
          A．opened B．been open 
          C．been opened D．open 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          

          解析試題分析：句意：這家商店開(kāi)業(yè)多長(zhǎng)時(shí)間了？大約三周了。how long 句子中不能用短暫性動(dòng)詞open開(kāi)業(yè)；been open表示是開(kāi)業(yè)的狀態(tài)，可以持續(xù)。故選B。
          考點(diǎn)：考查動(dòng)詞時(shí)態(tài)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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