Ключевые слова: asleep, back, book, books, bookstore, boy, break, class, college, desk, dormitory, education, exams, exhausted, final, graduate, hard, home, homework, learning, library, lying, male, man, many, nap, napping, preparing, reading, school, sleep, sleeping, sleepy, smiling, stack, store, student, study, studying, teen, teenager, textbook, textbooks, tired, trainee, training, university, working, yawn, yawning,