大小单双公式规律简介：The reason Cheng Keshu didn't come to her early self-study class was because she asked Yang Xiaomin for a day off to go to Li Yun's house to pick her up from school, so she didn't come until the first class at eight o'clock.
The reason Cheng Keshu didn't come to her early self-study class was because she asked Yang Xiaomin for a day off to go to Li Yun's house to pick her up from school, so she didn't come until the first class at eight o'clock.
