听力原文:M:Could you tell me the timetable of the school bus?W:Well,the bus leaves here fo
听力原文:M:Could you tell me the timetable of the school bus?
W:Well,the bus leaves here for the campus every two hours from 7:00a.m.But on Saturdays it starts half an hour later.
Q:When does the second bus leave on Saturdays?
(17)
A.At 7:30.
B.At 8:30.
C.At 9:00.
D.At 9:30.