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				21．I study for a test          working with a  group．A．in            B．by            C．a(chǎn)t             D．to			【查看更多】
			


		
           
          


		
          
		
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          I study for a test _________ working with a
group. 
          


          
 
          
  
  
          A．in
          
            		
  
  
          B．by
          
            		
  
  
          C．a(chǎn)t
          
            		
  
  
          D．to
          
            		
 
          

          


           
          

			
          
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          －How do you study for a test?
          

          －I study ________ working with a group．
          

          

          [　　]
          

          A．by
          

          

          B．to
          

          

          C．in
          

          

          D．at
          

          

          

			
          
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          －How do you study for a test?
          

          －I study ________ working ________ a group．
          

          

          [　　]
          

          A．

          in, with
          

          

          B．

          by, at
          

          

          C．

          by, with
          

          

          D．

          in, by
          

          

          

			
          
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          --How do you study           a test?
            
          --I study        working with a group．
            
          A．for, by              B．by, in                C．for, from            D．by, by
          

			
          
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          －How do you study ________ a test?
          

          －I study ________working ________ a group．
          

          

          [　　]
          

          A．for, in ,with
          

          

          B．for, by, at
          

          

          C．for, by, with
          

          

          D．of, in, by
          

          

          

			
          
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