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


		
           
          


		
          
		
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          The accident happened _________ an autumn early
morning.
          


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


           
          

			
          
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          Do you go to school _____ Saturday morning?

          


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

          


           
          

			
          
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           What do you usually do____ Sunday mornings’.
          A．in .B．a(chǎn)t .C．on.D．for.
          

			
          
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          I am ________ duty this week.
          

          [　　]
          

          

          A．in
          B．a(chǎn)t
          

          C．on
          D．for
          

          

          

			
          
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          Children often make mistakes         spelling.
          


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


           
          

			
          
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