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          ---How long has the meeting _______?
           --- Just a minute. I will check the time.
          A．begun B．started C．been on D．been begun
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：-會議開始多長時間了？-僅僅一分鐘。我會核對一下時間。句子中how long是對一段時間來進行提問的，而begin 和start 都是瞬間性動詞，不能與一段時間連用，故A、B、D可排除；be on 是一個系表結構的短語，可以持續(xù)，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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