Ключевые слова: adult, back, blackboard, boy, career, caucasian, chair, child, childhood, class, classmates, classroom, desk, development, education, elementary, female, girl, group, hand, hands, indoors, junior, knowledge, learn, learning, lesson, male, occupation, people, person, pointing, primary, profession, pupil, raising, school, schoolchild, sitting, student, study, success, successful, teacher, teaching, together, tutor, up, woman, young,