【单选题】听力原文: And the last stop on our tour is the cafeteria. The cafeteria is open in the morning from seven to ten and for lunch from twelve noon to two-thirty. Hot food is served from this area on the righ...
【单选题】The most important duty for a tour leader is to ensure the tour is well organized and run to a timetable that allows all the sights on the ______ to be visited