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          Mr. Liu __________ for ten minutes.
          A．has leftB．will leaveC．has been awayD．left
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：劉先生已經(jīng)走了10分鐘了。根據(jù)for ten minutes要用現(xiàn)在完成時，而leave是瞬間動詞，后面不能接一段時間；has been away離開，表狀態(tài)，可以接一段時間，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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