Ключевые слова: beautiful, boy, child, childhood, class, classmate, classroom, college, concept, desk, education, girl, grade, group, high, indoors, kid, knowledge, learn, learner, learning, lesson, many, people, person, public, pupil, school, schoolboy, schoolgirl, schoolkid, sitting, student, study, studying, teen, teenage, teenager, time, together, young,