XiaoMing: Christmas is coming. Where’re you going to spend your holiday?
Jack:     I want to Beijing. What about you?
XiaoMing: I decide to pay a visit to Hainan Island in China.
Jack:     It is wonderful! How do you go there?
XiaoMing: By plane, of course.Have you been to Hainan Island?(你去过海南岛吗？）
Jack:     Yes，I have.(是的，我去过）
XiaoMing: What did you do there.
Jack:     I met a old friend and we swam in the sea.Before I went back home, I bought some souvenir for you and my family.
XiaoMing: Did you enjoy it.
Jack:     Yes,I think it was wonderful.