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				42．Qingzang  Railway            two years ago. Now more and  more people enjoy going to Tibet  by train.    A．is  built         B．has  been built   C．was  built        D．will be built			【查看更多】
			


		
           
          


		
          
		
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          Qingzang Railway ____ two years ago. Now more and more people enjoy going to Tibet by train. 
            
          A．is built      B．has been built   C．was built   D．will be built
          

			
          
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