A: Good afternoon, Rose. Where are you going now?
B：.
A: Oh, you want to buy some books. Why not go to Reader's Room in the City Library?
B：?
A：It's a place where people can exchange their old books with others.
B: That sounds great. ？
A: It's between New Star Shopping Mall and People's Hospital. You can get there by bus.
B: Can you tell me ?
A：You can take the No. 45 bus.
B：Could you tell me ?
A：About twenty minutes.
B：Twenty minutes is not a long time. I will go there. Thanks!
