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				 Unless       to speak, you should remain silent at the conference.     A. invited     B. inviting      C. being invited    D. having invited			【查看更多】
			


		
           
          


		
          
		
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          38.[2003春季上海] Unless ________ to speak, you should remain silent at the
conference.
          

          A. invited　　　　　　　　　　    B.
inviting　　　　  
          

          C. being invited　　　　　　　　　　    D.
having invited
          

           
          

          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          38.[2003春季上海] Unless ________ to speak, you should remain silent at the
conference.
          

          A. invited　　　　　　　　　　    B.
inviting　　　　  
          

          C. being invited　　　　　　　　　　    D.
having invited
          

           
          

          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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