补全对话：根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整、正确。
A: Hello，my name is Emma. I’m new here.
B: Hi, I’m Kevin. __________________?
A: Sure: I want to know something about our school rules.
B: Oh, there are____________ rules in our school.
A: What are the rules?
B: First, we can’t arrive__________for class;and second,we can’t eat or drink in the classroom.
A: _____________can we eat or drink?
B: At home or in the dining hall. And we can’t run in the hallways or classroom.
A: I know. Do we have to wear uniforms?
B: No,we don’t. But our clothes must be clean and tidy.
A: _______________.
B: You are welcome.