Ключевые слова: black, book, clock, close, coffee, coffee cup, cup, desk, entertain, evening, free, fresh, glass, heap, knowledge, ladder, learn, letter, light, look, magazine, monthly, morning, newspaper, office, open, overtime, paper, pile, print, put, read, relax, relaxation, research, row, side, stack, steam, student, study, text, time, tried, up, wake up, weekly, white,