Ключевые слова: 6, 7, 8, backpack, boy, caucasian, cheerful, child, childhood, children, class, cute, day, educate, education, elementary, expression, five, four, friends, friendship, fun, girl, group, happiness, happy, kid, kids, learn, learning, outdoors, outside, people, person, playground, preschool, primary, school, schoolfriend, sit, standing, student, students, together, year,