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!