B OK. I'll call up from the lobby when I arrive. What's your room number?
B OK. I'll call up from the lobby when I arrive. What's your room number?
好的。我到旅馆大堂后给你打电话。你的房间号是多少？
B OK. I'll call up from the lobby when I arrive. What's your room number?
好的。我到旅馆大堂后给你打电话。你的房间号是多少？