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				 ? Sally, may I borrow your notebook?  --  Sure, but you           return it tomorrow.  A. need        B.  must               C. can        D.  may			【查看更多】
			


		
           
          


		
          
		
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          —Sally, may I borrow your notebook?
            
          —Sure, but you _____________ return it tomorrow.
            
          A. need            B. must             C. can            D. may
          

			
          
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