A.八達(dá)嶺 B.龍慶峽 C.白龍?zhí)?br /> D.故宮
A.Pleasebecautious B.Pleasekeepyourhandinsidethebus C.Pleaseholdfastandsitsecurely D.Pleaseexitfromthebackdoor
A.Seeyou B.Goodmorning C.Welcome D.Youtoo