Ключевые слова: back, backpack, boy, boys, child, childhood, children, classmates, classroom, clothes, communication, confident, day, education, elementary, friends, friendship, full, girl, girls, group, happy, homework, kid, kids, leisure, length, lifestyle, outdoors, preteens, primary, pupils, recess, school, schoolboy, schoolboys, schoolgirl, schoolgirls, smiling, students, style, stylish, view, walk, years, young, youth,