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          Look, so many people are running out of the station. I wonder what ________.
          A．is happenedB．was happening
          C．is happening D．had happened
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：看，這么多人正從車站里跑出來(lái)。我想知道發(fā)生了什么事。根據(jù)Look, so many people are running out of the station.可知此處人們正從車站跑出來(lái)，表示正在發(fā)生的事，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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