— May I have your________to leave a little earlier?— Certainly, but??you??should

    题型： 单项选择题 难度： 一般
    — May I have your________to leave a little earlier?
    — Certainly, but??you??should??be??back??tomorrow??by 9 o"clock.
    [???? ]
    A. conclusion????
    B. encouragement
    C. suggestion??
    D. permission
    答案
    D