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          ---Is the Youth Center open to the public yet?
          ---Yes. It ______ for almost one and a half years.
          A．has openedB．has being opened
          C．has been openD．was open
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：青少年中心對公眾開放了嗎？——是的。已經(jīng)開放幾乎一年半了。結(jié)合語境可知下文描述的是一直持續(xù)到現(xiàn)在的動作，故用現(xiàn)在完成時態(tài)。Open用作動詞表示瞬間動作，不能和表示一段時間的時間狀語連用，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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