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    精英家教网 > 高中英语 > 题目详情

    If you         be there before 10, you have to say goodbye to each other and set off now.


    1. A.
      are to
    2. B.
      are about to
    3. C.
      will
    4. D.
      will be going to
    A
    解析：
    if引导的条件状语从句中不能用将来时态表将来，be to相当于must, have to 所以选A。
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