Back to school, just into the classroom, the class bell rang. They sat down quickly. It's the class teacher's class in the afternoon.

as soon as Xiao Yao entered the classroom, she felt something was wrong. Usually these troublemakers are as noisy as the market before class, but today they are very quiet. Everyone is sitting in danger with high spirits. When have these guys become so serious?

geometry is a very boring subject. Generally speaking, it is arranged in the morning, because if it is put in the afternoon, it is easy for students to doze off. There is something wrong with the chemistry teacher at home this week....