Ключевые слова: academic, announcement, back, banana, blackboard, board, book, business, calendar, chalk, classroom, course, cup, day, drawing, duty, education, event, holiday, homework, learning, lesson, list, management, meeting, month, monthly, note, organizer, pencil, plan, planner, post, reminder, schedule, scheduler, school, semester, solution, student, study, task, teacher, timetable, training, week, welcome, work, write,