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29．--Do you know Danny?--Yes.I first met him two years ago．He at a book store at that time．A．had worked B．worked C．has worked D．was working 【查看更多】

 

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--Do you know Danny?

--Yes，I first met him two years ago．He ________ at a book store at that time．

A．had worked            B．worked          C．has worked           D．was working

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