27. the time to pay a visit in advance.I couldn’t meet the president of the firm A.Not having been fixed B. Not fixing C.Having not fixed D.Not having fixed 【查看更多】

 

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             the time to pay a visit in advance,I couldn’t meet the president of the firm

A. Not having been fixed             B.  Not fixing

C. Having not fixed                    D. Not having fixed

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         the time to pay a visit in advance,I couldn’t meet the president of the firm

A.Not having been fixed                       B.Not fixing

C.Having not fixed                           D.Not having fixed

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