层进倍投方法简介:Seeing that the atmosphere in the class was extremely noisy, Cheng Keshu, the deputy monitor, frowned, stared coldly, pushed away the chair, walked to the podium, and tapped the aluminum alloy podium with her delicate hands, and there was a crisp sound. , everyone should not chat in the classroom, students should study seriously.
Seeing that the atmosphere in the class was extremely noisy, Cheng Keshu, the deputy monitor, frowned, stared coldly, pushed away the chair, walked to the podium, and tapped the aluminum alloy podium with her delicate hands, and there was a crisp sound. , everyone should not chat in the classroom, students should study seriously.