The timetable says the school bus here for the first trip at 6:30 am.A. will leaveB. left

问题补充：

The timetable says the school bus here for the first trip at 6:30 am.

A. will leave

B. left

C. is leaving

D. leaves

答案：

A. will leave

B. left

C. is leaving

(答案→)D. leaves

解析：考查时态。在车站和机场，表示按照时间表安排，要发生的事情，用一般现在时代替将来时。故D正确。句意：时间表上说第一班校车6点30离开这里。