Ключевые слова: academic, adult, analyzing, answer, ask, authority, beautiful, caucasian, chalk, chalkboard, checking, class, classroom, college, confident, control, desk, difficult, education, educational, exam, explain, human, information, knowledge, learn, lesson, man, notebook, occupation, person, portrait, professor, pupil, review, school, smart, standing, student, study, studying, table, task, teach, teacher, test, university, work, young,