题目内容：

根据上下文和你的实际情况把下面的对话补充完整。

A: Hello! May I speak to Tina, please?

B: Speaking. ________1._______?

A: This is Bill. I called you yesterday, but you were not at home.

_________2.______?

B: I went shopping yesterday. I need to buy something for my trip to Tibet.

A: Tibet? _____3._____？

B: Because the scenery there is really beautiful.

A: Oh, yes, It’s said that there is the most beautiful sky.

B: Yes. By the way, what do you call me for?

A: I’ll have a birthday party next Friday. _____4._______?

B: Oh, I’d love to, but I’m afraid I can’t. My plane will take off next Wednesday.

A: What a pity that you can’t come! ______5.______!

B: Thank you very much, Bye !

A: Bye!