There may be mistakes, I am not a native English speaker.. :_)

the bell rings and the corridors of the school immediately become empty and quiet. all the students, including you, went to their classrooms. but the corridors are completely empty, and you realized that you are late for class. when you reach the office, you knock and enter the office. "Oh, I thought you wouldn't deign to attend my lesson." He speaks sternly, looking down at you. "Sit down, come to me after the lesson. you're going to write an explanatory note." he says and begins to teach the lesson.