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    — Hello! Could I speak to Mr. Liu, please?
    — Sorry. He _________ for a month.
    A. had been away    B. was left C. has been away
    			
    


			
    

		
    
		
		
	
    
		
    
			
    
				
    
				
    C

    試題分析：根據(jù)句意，您好，能找劉先生接電話嗎？——對不起。他離開有一個月了�？芍鹫Z中敘述的是過去發(fā)生現(xiàn)在已完成的動作，故用現(xiàn)在完成時態(tài)，選C。
    點評：區(qū)別英語時態(tài)主要有兩種方法，一種是根據(jù)上下文，一種是根據(jù)時間狀語，同時需注意區(qū)分瞬間動詞與持續(xù)性動詞搭配時間狀語的不同。
    				
    
							
    
			
    
			
    
			
			
    
		
    
	
    

		
    

		





			
    
		
    
		
				
    
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