根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整。

A: Hello, Bob. Can you come to my birthday party?

B: _____1_____ ?

A: It's on Friday night.  Arc you free then？

B: Well, let me see. In the afternoon, I have a piano lesson. _____2_____ I can be free after 7:00 pm.  

     May I come then?

A: _____3_____. The party will begin at 8:00 pm.

B:  Oh,I don't know where your home is.

A: Well, take the No. 4 bus to the City Library.  My house is behind the City Library.  It will only

     _____4_____ you ten minutes to get from our schoal to my home.

B: All right.  I'Il be there on time.  See you then.

A: _____5_____.