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				10．Our English  teacher worked late into the night,     the exams for the following weeks．A．to be prepared                       B．preparedC．preparing                        D．was preparing			【查看更多】
			


		
           
          


		
          
		
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          Our English teacher worked late into the night, ________ the exams for the following weeks．
          

          

          [　　]
          

          A．to be prepared
          

          

          B．prepared
          

          

          C．preparing
          

          

          D．was preparing
          

          

          

			
          
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