阅读下面的对话，根据上下文意思，从所给的句子中选择合适的句子, 使对话完整，将其字母编号填在横线上。

A: Excuse me. Can I ask you some questions?
A: Hello! ____________________________________________
B: Yes, I am.
A: __________________________________________________
B: I have lunch at school.
A: __________________________________________________
B: I’d like beef and green beans.
A: __________________________________________________
B: I like grapes. _______________________________________
A: I don’t like grapes. They are sour.