Ключевые слова: ability, answer, book, braininess, brainteaser, bulb, business, capacity, colledge, compose, computer, constructor, conundrum, creation, creative, decision, diary, energy, exam, exercise, figure, forecast, guess, idea, install, intellect, job, keyboard, knowledge, lamp, library, light, notebook, notepad, pc, problem, question, resolve, school, search, sign, skill, solution, study, symbol, task, teaching, think, university, write,