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				36．A．a(chǎn)t             B．in             C．on             D．for			【查看更多】
			


		
           
          


		
          
		
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          What do you have ________ lunch? 
            
          A．a(chǎn)t                   B．in                           C．on                          D．for
          

			
          
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          What do you have ________ lunch? 
            
          A．a(chǎn)t                   B．in                           C．on                          D．for
          

			
          
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          What are you doing _____ vacation?
          


          
 
          
  
  
          A．for 
          
            		
  
  
          B．in
          
            		
  
  
          C．on
          
            		
  
  
          D．a(chǎn)t
          
            		
 
          

          


           
          

			
          
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          Sandra was a student ____ the age of 21.
          


          
 
          
  
  
          A．a(chǎn)t
          
            		
  
  
          B．in
          
            		
  
  
          C．on
          
            		
  
  
          D．for
          
            		
 
          

          


           
          

			
          
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          We open our present ________ Christmas Day.
          

          [　　]
          


          

          

          A．at
          		


          B．in
          		

          

          

          C．on
          		


          D．for
          		

          

          

          

          

			
          
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