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    ––When will you be back, Peter? –– a couple of days. A. On B. In C. For D. By 【查看更多】

     

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    —When will you be back, Peter?

        —___________ a couple of days.

        A. On                  B. In             C. For          D. By

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    32. ––When will you be back, Peter?

    ––________a couple of days.

           A. On                   B. In                C. For               D. By

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