Response options: -7 Legal skip, -9 Break off, Poor quality of education, Is generally against online teaching, Have no internet, Physical education in the family, Interviewer error, Everyone speaks at the same time, It was the first year at school, They prefer to go to school, It is difficult, Students' performance assessment related issues, There was no electricity, Difficulty of understanding, Lack of interaction, Lack of management, Problem of lack of space, Time constraints on online lectures, Is bad, This is not teaching