题目内容：

用适当的单词、短语或句子补全对话，使对话完整、语法正确。

A:Laura, how are you today?

B: Not very well. I’ve had a bad day.

A:_ 1.                             

B: I got up late this moring. _2.                           So I had to wait for another bus.

A: Oh, bad luck! _3.                      

B: Yes. I was 30 minutes late. And what was worse, when I got to school, I found no one in the classroom!

A: _4.                      

B: They went to the park to plant trees. Our teacher told us about it, but I forgot.

A: 5.                       

B: Yes. But when I found them, they were going back to school!