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          There was a time in Chinese history_____we had to use foreign oil.

          A. when  
          B. that
          C. which  
          D. as
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				A				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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				相關(guān)習(xí)題
			
          	
						
          
			
          
				科目：高中英語(yǔ)
				來(lái)源：同步題
				題型：單選題
			
          
									
          There was a time in Chinese history________we had to use foreign oil.
          

          [     ]
          A．when  
          B．that
          C．which  
          D．a(chǎn)s
          

			
          
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