Ключевые слова: answer, arm, asian, ask, behind, boy, caucasian, child, children, class, classroom, concept, copy, education, elementary, female, fun, girl, group, hand, hands, happy, intelligent, kid, kids, knowledge, learning, lesson, little, one, people, person, primary, question, raised, raising, school, schoolwork, space, student, students, teacher, teachers, teaching, together, two, up, vote, woman, young,