听下面一段较长对话，回答以下小题。
【小题1】Which sign does the woman refer to?

A．The one on the wall.

B．The one on the door.

C．The one on the window.

【小题2】How long will the woman have to wait for?

A．Half an hour.

B．An hour.

C．A day.

【小题3】What does the man give to the woman?

A．A card.

B．A ticket.

C．A book.

【小题4】Why is the woman at the town hall?

A．To pay a bill.

B．To meet a friend.

C．To tour the building.