判断组三的技巧和方法简介：Su Can sat in the third upright seat in the first row, while Cheng Keshu sat in the third row and second column. This was the position assigned by the teachers, which was considered a special treatment for good students.
Su Can sat in the third upright seat in the first row, while Cheng Keshu sat in the third row and second column. This was the position assigned by the teachers, which was considered a special treatment for good students.
