根据对话内容及所给首字母提示，用恰当的单词补全对话。

根据对话内容及所给首字母提示，用恰当的单词补全对话。
A: Hello,Cathy!
B: Hi,Steve!Long t_____ no see.
A: Yes. D_____ you go on vacation?
B: Yes.I went to Hangzhou with my family.
A: Really?It's my favorite place.
B: It was very beautiful. We h_______ great fun there.
A: W_______ did you do in Huangzhou?
B: We went shopping every day.The clothes there were very good.I bought a lot.
A: Oh,your sweater is very nice.Did you b_______ it there?
B: Yes.