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				 I couldn't help       when I heard the joke.    A. being laughed    B. laughing    C. to be laughing  D. to laugh			【查看更多】
			


		
           
          


		
          
		
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           I couldn't help _____ when I heard the joke.
            
               A. being laughed          B. laughing           C. to be laughing      D. to laugh
          

			
          
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          I couldn't help _____ when I heard the
joke.
          


          
 
          
  
  
          A．being laughed
          
            		
  
  
          B．laughing
          
            		
  
  
          C．to be laughing
          
            		
  
  
          D．to laugh
          
            		
 
          

          


           
          

			
          
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