补全对话
A: Excuse me.____________________________________________________ ?
B: Certainly. Go along this street and turn left at the first crossing. The museum is next to the post office.
A:______________________________________________________________?
B: It’s about thirty minutes’ walk.
A: I see._________________________________________________________ ?
B: Yes, you can. The No.12 bus will take you there.
A: By the way, _________________________________________________  ?
B: Over there. Look! The bus is coming.
A: Thank you very much.
B: ___________________________________________________.