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				24．I find          important           how to behave politely before going abroad．A．it's.learned     B．it.learning     C．it's.learning     D．it.to learn			【查看更多】
			


		
           
          


		
          
		
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          I find ________ important ________ how to behave politely before going abroad．
            
          A．it's，learned          B．it，learning           C．it's，learning              D．it，to learn
          

			
          
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