Ключевые слова: approval, approve, beautiful, boys, childhood, children, class, classmates, classroom, concept, desk, education, elementary, friends, gesture, girls, grade, group, happy, indoors, junior, kids, knowledge, learners, learning, lesson, life, like, little, many, people, person, preteen, primary, pupil, school, schoolboys, schoolchildren, schoolgirls, schoolkids, showing, small, smiling, students, study, studying, thumbs up, together, young, youngster,