I couldn't watch it the next year. Chalk 980 course is valid for one year, which means that if you study within one year after purchasing the course, it will be invalid and you can't watch it for more than one year. Chalk 980 online course includes a complete set of systematic course videos, lecture notes, supporting PDF, notes and real questions, 5000 leaving the exam, 100 application, common sense, early reading, hot topics, reasoning, application for model test contest, teacher guidance, notes for the champion, time, politics, hot topics, and other elite courses. Chalk net is an Internet education platform under Beijing Chalk Blue Sky Technology Co., Ltd., which focuses on vocational education examination services. Chalk net's business includes civil service examination, postgraduate entrance examination, teacher qualification certificate, institution and other skills training, realizes intelligent marking function through technical means, provides free question bank for users to consult and study, conducts online teaching through webcasting, and provides physical books, papers and customer service.