Ключевые слова: answer, asian, assessment, background, caucasian, chinese, class, classroom, college, competition, concentrate, covid19, doing, duty, education, entrance, exam, examination, female, final, girl, group, indoors, institute, institution, korean, learning, looking down, mask, mid term, paper, portrait, primaly, question, quiet, quiz, school, score, secondary, serious, sitting, stress, student, table, teen, teenager, test, thai, university,