Ключевые слова: academic, blackboard, board, book, chalkboard, class, classroom, college, demonstrating, discussing, education, educational, exam, examination, explaining, girl, graduating, graduation, green, high, knowledge, learn, learning, lecture, lecturer, lesson, man, presenting, pupil, reading, school, showing, speaking, strict, student, study, studying, talking, teacher, teaching, teen, teenager, textbook, trainee, training, tutor, tutoring, university, woman, young,