Teacher Chen Weiwen interacts with her students during a trial online class in Shanghai, east China, Feb. 25, 2020. Students in Shanghai attended a trial online class on Tuesday, a rehearsal for the online tuition scheduled to start on March 2. (Xinhua/Liu Ying)
Students in Shanghai attend trial online class
Source: Xinhua| 2020-02-25 19:07:16|Editor: huaxia