Ключевые слова: activity, background, black, blank, brain, break, challenge, closeup, color, competition, concept, crossword, enjoyment, eraser, exercise, flower, fun, game, glasses, grid, hobby, knowledge, leisure, letter, mental, newspaper, of, pair, paper, patience, pen, pencil, people, puzzle, relaxation, senior, solution, solve, solving, table, time, vocabulary, white, word,