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				24．It is not polite to            those  persons in trouble．    A．laugh to         B．laugh with           C．laugh of         D．laugh at			【查看更多】
			


		
           
          


		
          
		
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          It is not polite to __________ those persons in trouble．
            
          A．laugh to                  B．laugh with                C．laugh of                 D．laugh at
          

			
          
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