Sun Ning Li Xun roughly guessed the progress of the other party's situation, occasionally checking in to remind her teacher that she was there and to prove her presence. In response, the teacher replied, "You should prepare for the mock exam. I will report the school's safety concerns to the principal, and we'll arrange for you students to study at home during the evening self-study sessions." Li Xun did not get what she wanted and did not press further, as she had to attend class. Teacher Sun…