补全对话
根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。
A: You look worried, Peter.                         ?
B: I think I am going to fail the math test , mom.
A: You are? Why?
B: Well,                   .
A: So?
B: I was not allowed to get to class because I was late, and there was a big test today.
A:                   .
B: You’re right. But I know I could pass the test.
A: Well, Peter, the school has rules, you know.
B:I know. But I should be allowed to take the test later. It’s not fair.                ?
A: Don’t worry.                                   .
B: Yeah, good idea. Maybe I explain what has happened , she’ll understand me.