Ключевые слова: academic, back, board, book, books, class, classroom, clock, college, desk, education, exam, exams, hardworking, high, hourglass, late, learning, man, management, notes, out, preparation, preparing, pressure, punctual, punctuality, reading, research, running, sad, sand, sandglass, school, science, student, study, studying, taking, textbook, textbooks, time, timer, to, trainee, training, unhappy, university, writing,