Ключевые слова: background, board, book, books, chalkboard, class, classroom, closeup, college, copy, desk, dictionary, different, education, equipment, exam, green, group, handbook, hardcover, indoors, information, knowledge, learn, learning, lesson, library, literary, literature, many, nobody, novel, object, page, paper, read, reading, school, schoolbook, space, stack, story, study, studying, text, textbook, university, various, white, wisdom,