根据上下文，补全对话，把序号填在横线上。（5空，每空2分，共10分）

A: Hello!
B: Hi!  What’s your name?
A:              .
B: Nice to meet you!
A:               .
B: Today is my birthday. Let’s eat the cake!
A: Happy birthday!
B:            .
A: How old are you?
B:            .
A: Can I have some water, please?
B:            .
A: Thanks.