补全对话(用适当的句子) A:May i help you?B:yES.I want to buy a blouse for my mother.
A:_____ B:Hmm...i'm not sure.Grey,i think.A:ok.Here ia grey one.B:Oh,no.______ A:How about this green one?it‘s very popular this year._____ B:Er.that looks nice.A; _____ B:sorry,i'm not sure.Oh,she's almost as tall as the woman over there.A:Then size 6 must be OK._____ B:Thank you.A:You're welcome.