Ключевые слова: 2022, background, billboard, blackboard, board, calendar, celebrate, celebration, chalk, chalkboard, class, concept, copy, copyspace, dirty, education, erase, eve, goals, green, greeting, happy, holiday, knowledge, learn, learning, letter, light, message, new, night, note, number, school, scratch, sign, space, student, study, success, teacher, teaching, white, wood, wooden, write, year,