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          Hurry up! Once the concert starts, nobody _______ to enter the concert hall.
          A．a(chǎn)llows B．a(chǎn)llowed 
          C．is allowed D．is allowing 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
           C
          

          解析試題分析：句意：快點(diǎn)！一旦音樂(lè)會(huì)開始了，沒(méi)有人被允許進(jìn)入音樂(lè)廳。這里是allow sb. to do sth. 允許某人做某事的被動(dòng)語(yǔ)態(tài)形式：be allowed to do；其它都是值得主動(dòng)語(yǔ)態(tài)，故選C。
          考點(diǎn): 考查動(dòng)詞被動(dòng)語(yǔ)態(tài)的用法。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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