题目内容：

Complete the dialogue with proper words or sentences.

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.