C193 Didn't You Attend This Kind of Class

Xu Ling angrily slammed the lesson plan on the table. The female students not far away looked over in surprise, "Teacher, is there a problem with the lesson plan?"

"It's fine, it's fine. It's my own problem." Hearing the female student's voice, Xu Ling immediately realized that he had lost his composure. He immediately changed his expression and spoke to Xu Ling