单项选择题
A．until after 12 o'clock in the evening B．until early next morning C．all day and all night D．until 12 o'clock in the evening
A．mostly salesmen B．mostly passengers C．only conductors D．only visitors
A．the man was too tired to leave B．the man paid the bill every time he brought it to him C．he lidded his job very much D．he was kind-hearted