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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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