Ключевые слова: 1012, 1015, 10s, africanamerican, american, boys, caucasian, childhood, class, classroom, concentrate, countries, cute, education, elementary, environment, flag, focused, friends, fun, geography, girls, globe, group, happy, history, homework, indoors, kids, knowledge, learn, lesson, lifestyle, middleschool, multicultural, people, person, pupil, school, students, studying, table, teacher, together, tutor, united states, usa, youth,