Hello,Betty.What did you do last summer vacation?B：I visited

Hello,Betty.What did you do last summer vacation?B：I visited my uncle.
A：Hello,Betty.What did you do last summer vacation?
B：I visited my uncle.
A：1.________________?
B：He lives in Dalian,a beautiful city.
A：2._____________________?
B：I stayed there for a week.3._______________________?
A：No,I haven't.But I'm going to spend a holiday there.
B：You'd better go to Dalian in summer.So you can enjoy swimming in the sea.
A：4.____________.I will go there this summer vacation.
B：5.__________________?
A：By plane.