根据对话内容，在每小题的空白处填入适当的话语，使对话意思完整。
A：What can I do for you?
B：I want to buy a pair of shoes.
A：____ ?
B：Size eight or nine.
A：OK! How about this pair?
B：Sorry, I don’t like black. ____ ?
A：Oh, yes. We’ve got blue, white and brown ones.
B：Can I have a look at the brown ones?
A：Yes, please.
B：____ ?
A：Forty-six yuan.
B：It’s too expensive. ____ ?
A：How about forty?
B：No, it’s still expensive. What about thirty-five？
A：Er… all right. ____ .