Ключевые слова: back, blackboard, boy, caucasian, chalk, cheerful, child, childhood, class, classroom, college, concentrating, concept, desk, education, elementary, glasses, handsome, indoors, inside, kid, knowledge, learn, learning, lesson, little, male, people, person, primary, pupil, school, schoolboy, schoolwork, sitting, smart, solve, student, study, studying, task, textbook, think, uniform, write, writing, young,