Miss Li: Good afternoon, class.
Class: Good afternoon, Miss Li.
Miss Li: Sit down, please.
Liu Tao: Sorry, Miss Li. I'm late.
Miss Li: Come in, please. Don't look at the window, Mike. Open your book, please.
Mike: OK. But I can't find my book.
Miss Li: Is it in your schoolbag?
Mike: No, it isn't.
Miss Li: Look! Your book is behind the chair.
Mike: Yes, thank you.
