补全对话。根据上下文的意思，把下列对话补充完整。

A: Hello, Nice to meet you!
B: 1._________________________! How long have you been in Zhuzhou?
A: For half a year.
B: 2._________________________?
A: It is a beautiful city.
B: Why did you come to study here?
A: Because my father got a job here.
B: Oh, 3.________________________?
A: He is a policeman.
B: Cool, I want to be a policeman, too.
4.________________________ ?
A: I want to be a singer.
B: 5.________________________?
A: Because I like singing very much.