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				 He was unable to make such progress,     .    A. hard as he tried   B. as hard he tried   C. hard he has tried    D. tried hard as he			【查看更多】
			


		
           
          


		
          
		
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           He was unable to make such progress, ____.
            
           A. hard as he tried                         B. as hard he tried         
            
          C. hard he has tried                        D. tried hard as he
          

			
          
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          He was unable to make such progress,
__________________.
          


          A．a(chǎn)s he tried
hard     B．a(chǎn)s hard he
tried     C．so hard did
he try   D．hard as he
tried
          


           
          

			
          
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          He was unable to make such progress, _______.
            
          A. as he tried hard?
            
          B. as hard he tried?
            
          C. so hard did he try?
            
          D. hard as he tried?
          

			
          
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           He was unable to make such progress, _______.
            
          A. as he tried hard  B. as hard he tried  C. so hard did he try D. hard as he tried
          

			
          
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