Question

11. —Did you look up the time of trains to Shanghai?

   —Yes, the earliest train is  _____to leave at 5:30 am.

    A. likely           B. about

C. possible         D. due

Answer 1

D

解析:

选D。be due to do意为“应该…/预期的”；be about to do 不和时间状语连用；possible主语应为it；而likely与句意不合。