完成对话.
A: Let's __1__ to see the pandas.
B: OK. __2__are they?
A: Over there, __3__ to the koala bears.
B: Wow! They are really cute. Where __4__ these pandas from?
A: They're from __5__. That's Lingling, and that's Mingming.
B: Look. The koalas aren't very interesting today.
They __6__ just sleeping. Do you want __7__ see the penguins?
A: Yes! Penguins are my favorite __8__.
B: Penguins? Really? Why?
A: I __9__ know. They're just so funny.
B: Well, my favorite animal is the lion. Lions are scary, __10__ they're beautiful.
