在下列横线上填入适当的话语，使对话完整、正确。
A: Excuse me, sir? Could you tell me the way to the nearest bookstore?
B: 1_______ You can ask the lady over there.
A: Thank you all the same.
(A moment later)
A: Excuse me. 2_______
C: No, there isn't a bookstore near here, but there is one near No.1 Middle School.
A: 3_______
C: It's about ten minutes by bus.
A: 4_______
C: The No. 6 bus.
A: By the way, where's the bus stop?
C: It's over there, across from the hotel.
A: Thanks a lot.
C: You're welcome.
