Ключевые слова: angry, blackboard, board, boy, chalkboard, checking, child, childhood, class, classroom, college, discussing, education, exam, explaining, help, helping, homework, individual, kid, lazy, learning, lecture, lecturer, lesson, man, mentor, mentoring, paper, personal, poor, primary, private, progress, pupil, school, schoolboy, secondary, strict, student, study, studying, teacher, teaching, teen, trainee, training, tutor, tutoring, underperformance,