在下列横线上填入适当的句子,补全对话。
A: Good morning!
B: Yes, please. I'd like to buy a pair of leather tennis shoes.
A: What color do you want?
B: Let me see...
A: Er... We have two colors, which one do you like better?
B:
A: What size of the shoes do you wear?
B: Size 37.
A:
B: They look nice and soft. May I try them on?
A: Certainly.
B: Oh, I'm afraid they're a little small for me.
A: Here's another pair in Size 38. What do you think of them?
B: Oh, good. They're big enough.
A: Two hundred and eighty yuan.
B:
A: Maybe. But good things always cost much.
B: OK. I'll take them.