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				 I was just leaving  the classroom          it rained. A. while             B.  when      C. as           D.  during			【查看更多】
			


		
           
          


		
          
		
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          I was just leaving the classroom ________ it rained. 
            
          A. while                    B. when           C. as                      D. during
          

			
          
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