通读下面的对话,然后根据上下文补全对话内容。
A: Hi , Lin Yang ! How was your vacation ?
B: It was pretty good .
A: 小题1: ?
B: I went to Dalian .
A: 小题2: .
B: I went there with my pen pal .
A: Your pen pal ? 小题3: ?
B: He comes from Beijing .
A: 小题4: ?
B: He is tall and thin . He is a boy with a big head .
A: 小题5: ?
B: Because we both like the sea.
A: I hope I can go there some day.