读对话，选择相应的句子将其序号填在横线上，有一个多余项。

A. Can I try it on? B. How much is it? C. How do you like this dress, Sarah D. How much are they? E. Yes, it's just right. F. Size s, please.

 ( Sarah and her mum are at the clothes shop. )

Salesperson: Welcome, can I help you?

Mum: Yes.

Sarah: It's very pretty. I like it.

Salesperson: course. What size?

Mum:

Salesperson: OK. Is it all right?

Sarah:

Mum: Good. We'll take it.

Salesperson: It's 98 yuan.

Mum: Here you are.

Salesperson: Thank you, Welcome again. Bye