李雷还是要学英语:
博客地址：https://www.cnblogs.com/leihui/
李雷还是要学英语:
博客地址：https://www.cnblogs.com/leihui/
TPO-18 C1 Apply for a part-time job on campus
TPO-23 C2 Advice on choosing courses
TPO-23 C1 Post a student announcement
TPO-22 C1 Complain about a biased article
TPO-21 C2 Which elective courses to take
TPO-21 C1 Find a building for orientation
TPO-18 C2 Possible participation in a sociology project