读一读，补全对话。

A. Where will you go? B. How will you go there? C. We want to see the Potala Palace(布达拉宫). D. About a week. E. My family likes to go on trips this summer.

John: Summer holiday is coming. What will you do this summer holiday?

Tim:

John:

Tim: We want to go to Tibet(西藏). Tibet's sky is very beautiful.

John:

Tim: We will go to Tibet by high speed rail(高铁).
John: It's fast. How long will you stay here?

Tim:

John: Have a good time.
Tim: Thank you.