Ключевые слова: ask, back, board, book, child, childhood, children, class, classmate, classroom, color, desk, education, elementary, explaining, gesture, girl, grade, group, hand, happy, homework, indoor, inside, kid, learn, lesson, listen, many, people, primary, pupil, question, rear, scholar, school, schoolchild, schoolgirl, secondary, sit, student, study, teach, teacher, tutor, woman, young, youth,