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				 Silver is the best conductor of electricity, copper       is closely.    A. followed    B. to follow     C. following    D. be followed.			【查看更多】
			


		
           
          


		
          
		
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          Silver is the best conductor of electricity, copper _____ is closely.
             A. followed      B. to follow      C. following       D. be followed.
          

			
          
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          Silver  is the best conductor of electricity, copper _______ it closely. 
              
          A. followed     B. following      C.  to  follow    D. follows
              
          

			
          
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          Silver is the best conductor of electricity, copper       it closely.
            
                 A．followed   B．to follow  C．following  D．being followed
          

			
          
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          Silver is the best conductor of electricity, copper _______ it closely． 
            
          A． followed            B． following          C． to follow            D． follows
          

			
          
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          Silver is the best conductor of electricity, copper　　　 it closely.
            
          　  A．followed　　 B．to follow　  C．following　  D．being followed
              
           
          

			
          
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