根据下面对话中的情景在每个空白处填入一个适当的句子，使对话恢复完整。

A: Laura, why do you look so upset?

B: My mother is mad at me,

A: 1                            ?

B: I was late for school this morning and the teacher called my mother.

A: Why don't you get up a little earlier?

B: I studied for the coming exam for a long time yesterday evening and 2_______________

A: 3                             .

B: OK, and next Friday is her birthday. I want to buy her a gift.

A: 4                              .

B: Make a birthday card? That sounds like a good idea. Thank you.

A: 5                              .

CO₂分析所用的指示剂是（）

A、HCl

B、甲基橙

C、蒸馏水