Ключевые слова: adorable, american, back, backpack, bag, book, caucasian, cheerful, child, childhood, children, class, cute, day, education, elementary, ethnicity, first, friend, friendship, full, fun, girl, grade, group, happy, jump, kid, knowledge, laughs, learn, learning, length, outdoors, people, primary, pupil, recess, rucksack, running, school, schoolboy, schoolchildren, schoolgirl, sister, smiling, student, studying, together, youth,