Ключевые слова: adolescent, backpack, book, boy, child, childhood, children, class, classmates, college, couple, cute, day, education, exam, female, friend, friends, friendship, girl, group, happy, high school, highschool, junior, kid, learning, outdoors, outside, people, person, primary, private school, rucksack, running, school, schoolboy, schoolchildren, student, students, summer, teen, teenage, teenager, together, two, uniform, woman, young,