Ключевые слова: background, blackboard, blank, board, bright, chair, chalkboard, class, classroom, college, colorful, concept, day, desk, dictation, education, empty, equipment, exam, green, hall, indoor, inside, kindergarten, learn, lecture, lesson, light, modern, new, nobody, preschool, primary, program, pupil, room, row, school, screen, seat, study, studying, table, teaching, training, wooden,