根据上下文补全对话。每空一词。
A: Can I _______ you?
B:_______, please. I need a sweater.
A: OK. What _____ do you want?
B: Blue.
A: How_______ this one?
B: It looks nice. How much______________?
A: Nine dollars.
B: I’ll ______ it. How much ________ the socks?
A: Two dollars _______ one pair.
B: OK. Give me two pairs.
A: Here you ______
B: Thank you.