Ключевые слова: back, background, banner, blackboard, board, boy, boys, chalk, chalkboard, child, children, class, classroom, college, desk, education, educational, elementary, exam, girl, girls, indoor, inside, interior, kid, knowledge, lanka, lankan, learn, learning, lecture, lesson, people, person, preschool, pupil, room, school, sitting, sri, student, study, table, teacher, teaches, teaching, training, tutoress, writes, young,