单项选择题
Conversation 2
A.Because it goes on to Boston. B.Because it is slower. C.Because there is no place to sleep. D.Because it arrives in the middle of the night.
A.In a ware house. B.In a gas station. C.In a department store. D.In an office.
A.It is going to the wrong destination. B.The departure time is not appropriate. C.The train will arrive too late. D.The ticket is too expensive.