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				17．Lucy and Lily      sisters．They study at the same school．A．be            B．am           C．is             D．are			【查看更多】
			


		
           
          


		
          
		
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          Lucy and Lily          sisters．They study at the same school．
            
          A．be                       B．am                      C．is                          D．are
          

			
          
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          Lucy and Lily _________ sisters．They study at the same school．
          

          

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          A．

          am
          

          

          B．

          is
          

          

          C．

          are
          

          

          D．

          be
          

          

          

			
          
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