Ключевые слова: above, apple, autumn, back, background, black, blackboard, board, calculator, chalk, chalkboard, child, childhood, class, classroom, clip, color, colorful, concept, education, eraser, flash drive, group, handwritten, knowledge, learning, lettering, notebook, paper, pen, pencil, school, schoolchild, scissors, september, stationery, study, supplies, text, top, view, wash,