根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。（只填序号即可）（共5小题，1题1分，计5分）

A: Good morning.

B: Yes. My sister's birthday is coming. I'd like to buy a hat for her.

A: Well, there are many new hats for girls in our store.      

B: She is nine.

A:

B: Red.

A: This kind of hat is very popular with girls this year.

B: It looks nice, but it's a little big. Do you have a small one?

A: Yes. Here you are.

B:

A: It's 20 yuan.

B: OK. I'll take it.

A. What color does she like? B. Can I help you? C. How much is it? D. How old is she? E. What size would you like? F. What about this one? G. What does your sister look like?