问题
选择题
---Do you know the timetable of the school bus?
---Sure, the first trip________ at 6:30 a.m. and usually continues until 4 p.m. on weekdays.
A．will start
B．starts
C．is starting
D．started
答案
答案：B
考查时态题。陈述时间表应用一般现在时，故答案为B。