Complete the dialogue according to the pictures.
A: What are you doing?
B: I’m reading a book about______ ______ ______.

A: How long is it?
B: It’s ten thousand li long.
A: Wow!It’s so long. I want to go there with_______ ______.
B: How will you go there?

A: _______ ______ .

B: Oh. Don’t forget to______ ______ ______.