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				       we got to the station, the train had left already.  A. If      B. Unless    C. Since     D. When			【查看更多】
			


		
           
          


		
          
		
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          _______ we got to the station, the train had left
already.
          


          A. If        B.
Unless      C. Since      D.
When
          


           
          

			
          
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           _____ we got to the station, the train had left already.
            
           A. If            B. Unless              C. Since                  D. When
          

			
          
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          _____ we got to the station, the train had
left already.
          


          
 
          
  
  
          A．If
          
            		
  
  
          B．Unless
          
            		
  
  
          C．Since
          
            		
  
  
          D．When
          
            		
 
          

          


           
          

			
          
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