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				71．--Is that your book?--        ．A．That isn't       B．It isn't         C．Yes.that is      D．No.it isn't			【查看更多】
			


		
           
          


		
          
		
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          ---Is that your book?
          


          ---Yes, ________.
          


          
 
          
  
  
          A．it is
          
            		
  
  
          B．it isn’t
          
            		
  
  
          C．it’s
          
            		
  
  
          D．this is
          
            		
 
          

          


           
          

			
          
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          --Is that your book?
          

          --_______
          

          [　　]
          

          A．No, it is.
          

          B．No, it isn't.
          

          C．Yes, it's.
          

			
          
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          --Is that your book?
          

          --_______
          

          [　　]
          

          A．No, it is.
          

          B．No, it isn't.
          

          C．Yes, it's.
          

			
          
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          一Is that your book?    一Yes___________.
          


              A．it 
is    B．it   isn’t    C．it’s
          


           
          

			
          
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          一Is that your book?    一Yes___________.
          


              A．it 
is    B．it   isn’t    C．it’s
          


           
          

			
          
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