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.