排列对话顺序。
A. How much is this that?
B. I'll take it.
C. Can I help you?
D. It's twelve dollars.
E. Yes, please. I want a hat.
F. Here you are.
G. You're welcome.
H. Thank you.
I. We have hats in all colors.
1. ____ 2. .____ 3. ____ 4. ____ 5. ____ 6. ____ 7. ____ 8. .____ 9. ____
