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           -----Have you seen___ pen? I left it here this morning. 
            
          -----Is it __black one? I found it in the corner.
            
           A. a, the       B. the, the?    C. a, a       D. the, a
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
             
          解析:
               
          此題的最佳答案就是A，前空泛指，后空特指“談話者都知道的東西”。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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