口语交际 （共5分，每小题1分）
在下面对话的空白处填入适当的话语（话语可以是句子、短语或词），使对话完整。
A: Excuse me, . ________________________? I want to buy some stamps.
B: Yes. There’s a post office on Center Street.
A: Could you tell me how to get to the Center Street?
B: _______________. You see that bank there?
A:  Hmm,... Oh, yes.
B: Just ______________ the bank and then _____________. The post office is on the  right, next to the library.
A: Thanks a lot.
B: _____________.