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				 We played in the garden till sunset,       it began to rain.    A. When      B. after      C. While      D. then			【查看更多】
			


		
           
          


		
          
		
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          We played in the garden till sunset, _____ it began to rain. 
            A. When      B. after       C. While       D. then  
           
           
          

			
          
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