— Did you look up the time of the high-speed trains to Shanghai?
—Yes, the early train is ______ to leave at 5:30 a.m.
A. likely B. bound C. due D. about
— Did you look up the time of the high-speed trains to Shanghai?
—Yes, the early train is ______ to leave at 5:30 a.m.
A. likely B. bound C. due D. about
C`