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          When they went to the theatre, the concert _____ for fifteen minutes. 

          A. had begun
          B. had began
          C. had been on 
          D. was on 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				C				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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				相關(guān)習(xí)題
			
          	
						
          
			
          
				科目：高中英語
				來源：0109    同步題
				題型：單選題
			
          
									
          When they went to the theatre, the concert _____ for fifteen minutes. 
          

          [     ]
          A. had begun
          B. had began
          C. had been on 
          D. was on 
          

			
          
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