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           She looked at the professor and wondered where she_______ him.
          A．sawB．has seenC．seesD．had seen
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D

          試題分析：句意：她看這位教授并且想知道她曾經(jīng)在哪見(jiàn)過(guò)他。分析曾經(jīng)在哪里見(jiàn)過(guò)，體現(xiàn)為現(xiàn)在完成時(shí)，故選 D
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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