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				Study hard,            you  are sure to have a good result in the exam.A or    B  and    C  for    D  but			【查看更多】
			


		
           
          


		
          
		
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          Study hard, _____ you are sure to have a good result in the exam. 
          

          [     ]
          A. or 
          B. but 
          C. for
           D. and 
          

			
          
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          Study hard, ________ you are sure to have a good result in the exam．
          

          

          [　　]
          

          A．or
          

          

          B．and
          

          

          C．for
          

          

          D．but
          

          

          

			
          
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          Study hard, ________ you are sure to have a good result in the exam.
          

          [　　]
          


          

          

          A．or
          		


          B．and
          		


          C．for
          		


          D．but
          		

          

          

          

			
          
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          Study hard，_________ you are sure to have a good result in the exam! 
            
          A．but       B．a(chǎn)nd        C．for           D．or
          

			
          
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