固定单双公式规律简介：When get out of class was over, he didn't go out to play, or brag for ten minutes like Liu Lei. Instead, he quietly leaned over the table and studied the test papers for various subjects.
When get out of class was over, he didn't go out to play, or brag for ten minutes like Liu Lei. Instead, he quietly leaned over the table and studied the test papers for various subjects.
