C1260 Senior External Affairs

"Mu Yan, Mu Yan, do you know that this afternoon's class will be changed to a lecture instead of a lesson?" A young man ran into the classroom in a rush and said to him in a pleasantly surprised tone:

"It is said to be our senior."

Mu Yan paused for a moment and raised his eyebrows. "We are already in our third year of high school. Where did our senior come from?"

"Oh, no