从方框中选择句子补全下面的对话。

A. Don't worry. I can help you. B. You should be careful next time. C. Because I lost my homework. D. Don't push. You must pull. E. Is it in your bag?

Jenny: Tony, Why are you so sad?

Tony: I can't find it.

Jenny:

Tony: Thank you. We must hurry up, or we'll be late for school.

Jenny:

Tony: No, it isn't in my bag.

Jenny: Maybe it's in your bedroom. Let's go and find it.

Tony: OK. Oh no! I can't open the door.

Jenny:

Tony: Oh yes. Look! My homework is on the floor.

Jenny: That's right!

Tony: Ok. I will.