"Laura, it's class time, you can't leave your seat without permission."
A student watched Laura head for the door and immediately became anxious, "Are you going to cut class too?"
"Of course not." As she made a sharp turn, Laura stood on the platform and took a piece of chalk out of the chalk box.
"Mrs. Boote has left, so I can take her role."
"You?" The crowd looked at her with suspicion, "Can you do it? We are ready for new content."
Laura didn't retort as she flipped through the textbook in her hand.
"Let's turn the book to page 96..." As time gradually passed, Laura's explanation became more and more fluent.
She turned obscure biology into extremely easy--to--understand and fascinating.
Not only the students who like studying but also those who usually don't like to listen to the lecture, are also unconsciously engaged in it. Until the bell rang, breaking the silence of the room.
Laura patted the chalk dust on her hands and returned to her corner seat.