Ключевые слова: academic, answering, blackboard, board, book, chalkboard, class, classroom, college, computer, discussing, education, educational, explaining, girl, graduating, high, individual, internet, laptop, learn, learning, lecture, lecturer, lesson, man, online, personal, presenting, pupil, questioning, reading, school, showing, speaking, strict, student, study, studying, talking, teacher, teaching, teenager, textbook, trainee, training, tutor, tutoring, university, woman,