四期三期必出一期是什么

简介：Under the leadership of Qin Qing, the students of Class 3 quickly came to the classroom of Class 3. After asking everyone to find their seats and sit down, Qin Qing said: Dear students, you will sit in your current position from now on. Now we Let’s start selecting class responsibilities. After selecting class responsibilities, I will take you to the dormitory.