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				 I don’t think chickens can swim,      ? A. do I         B.  can I         C.  do they       D.  can they			【查看更多】
			


		
           
          


		
          
		
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          I don’t think chickens can swim,         ? 
            
          A. do I                              B. can I                 C. do they              D. can they  
          

			
          
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          I don't think chickens can swim, ________?
          

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          A．do they
          B．don't they
          

          C．can they
          D．can't they
          

          

          

			
          
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