Ключевые слова: academic, assignment, book, bookcase, books, bookshelf, bookstore, campus, class, classroom, college, education, educational, exam, hard, homework, information, knowledge, learning, library, man, preparation, preparing, project, public, puzzled, read, reading, research, revising, revision, school, science, searching, shelf, sitting, store, student, study, studying, table, teenager, textbook, textbooks, thinking, thoughtful, tired, university, working, young,