Song Ci threw the teaching plan onto the table and said, "Why does the new teacher only have lessons in the morning? And the lessons are all at ten o'clock?"

"Eh, I heard that she was graduated from a famous overseas university and has a PhD." Another teacher whose last name was Zhang comforted her, "Don't bother about that. We all have classes in the morning except for the elderly!"

The first lessons in the morning were at eight o'clock, which meant they had to ...