题目内容：

听下面一段较长对话，回答以下小题。

1.Where does the man most probably work?

A.At an airport. B.At a hotel. C.At a travel agency.

2.Which airport is the best choice for the woman?

A.Reagan National. B.Dulles. C.Baltimore-Washington Airport.

3.Why is the woman going to Washington DC?

A.To stay in a friend's house.

B.To meet the man.

C.To visit the White House.