根据对话内容，在空白处填入恰当的表达。
A：Excuse me. Is there a ___________ near here? I want to buy some books on the computer.
B：No. The nearest one is on the Third Street.
A：______ is it from here?
B：It's about three kilometers from here.
A：Can I go there by bus?
B：Yes, you can take a ___________ 18 bus.
A：Where's the bus stop?
B：Go down this _______ and turn right at the second crossing. The bus stop is on your left.
A：Thanks a lot.
B：_________.