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				24． --His  parents are both doctors,     he knows a lot about medicine．   --I  think he will be a doctor in the future, too．A．but           B．or            C．so           D．for			【查看更多】
			


		
     
    


		
    
		
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    --His parents are both doctors,        he knows a lot about medicine． 
      
    --I think he will be a doctor in the future, too．
      
    A．but                  B．or                    C．so                     D．for
    

			
    
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