Walter offered us a lift when he was leaving the office .but our work .we refused the offer. A.not being finished B.not having finished C.had not been finished D.was not finished 查看更多

 

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 Walter offered us a lift when he was leaving the office ,but our work__,we refused the offer.

   A.not being finished        B.not having finished

   C.had not been finished      D.was not finished

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