A:Can I help you?B:Yes,＿＿.I'd like a sweater.A:We have quite a few here.How＿＿this one?B:Good.＿＿＿ ＿＿＿are they?A:Ten dollars.B:OK.I'll＿＿＿it.Thank you very much.A:You are＿＿＿.