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				 When you are sleeping, you had better             all your windows closed. A. don’t  keep      B. not keep    C.  not to keep    D.  not keeping			【查看更多】
			


		
           
          


		
          
		
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          When you are sleeping, you had better _____ all your windows closed. 
          

          [     ]
          A. don't keep 
          B.  not keep 
          C.  not to keep 
          D.  don't to keep 
          

			
          
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          When you are sleeping, you had better __________ all your windows closed.
            
          A. don’t keep        B. not keep        C. not to keep        D. not keeping
          

			
          
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          When you are sleeping, you had better ________ all your windows closed．
          

          

          [　　]
          

          A．don’t keep
          

          

          B．not keep
          

          

          C．not to keep
          

          

          D．not keeping
          

          

          

			
          
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