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				 The teacher asked Ben        a difficult question in class.    A. answer    B. answering    C. to answer     D. answered			【查看更多】
			


		
           
          


		
          
		
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          The teacher asked Ben ____________ a difficult question in class.
          A. answer????????????? ????????????? ????????????? B. answering????????????? ????????????? ????????????? C. to answer????????????? ????????????? ????????????? D. answered
           
          

			
          
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          The teacher asked Ben _______ a difficult question in class.         
          

          [     ]
          A. answer          
          B. answering         
          C. to answer          
          D. answered
          

			
          
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          The teacher asked Ben _______  a difficult question in class.   
          

          [     ]
          A. answer    
          B. answering   
          C. to answer    
          D. answered
          

			
          
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          The teacher asked Ben ______ a difficult question in class．
            
          A． answer               B． answering            C． to answer           D． answered
          

			
          
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          The teacher asked Ben ________ a difficult question in class．
          

          

          [　　]
          

          A．answer
          

          

          B．answering
          

          

          C．to answer
          

          

          D．answered
          

          

          

			
          
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