用恰当的词语填空。完成对话。每空一词。(每小题1分，共5分)
A: May I help you?
B: Yes. I want to       a blouse for my mother.
A: What color does she like?
B: Hmm... I'm not sure. Grey, I think.
A: OK. Here is a grey one.
B: Oh, no. I want a      color.
A: How about this green one? It's very popular this year. I'm sure she will hke it.
B: Er, that      nice
A: What size do you want?
B: Sorry, I'm not sure. Oh, she's almost as      as the woman over there.
A: Then Size 6 must be OK. Here you are.
B:      you.
A : You're welcome.