两码组合必出简介：Su Can quickly returned to his seat and sat down. After a while, Cheng Keshu and Li Yun entered the classroom holding hands and returned to their seats. Then Old Man Yan walked into the classroom.
Su Can quickly returned to his seat and sat down. After a while, Cheng Keshu and Li Yun entered the classroom holding hands and returned to their seats. Then Old Man Yan walked into the classroom.
