Ключевые слова: academic, announcement, answer, app, ask, assess, assessment, background, bullhorn, competition, concept, education, evaluate, exam, examination, fun, game, learn, loud, loudspeaker, megaphone, object, play, poll, pop, problem, question, questionnaire, quiz, quizzing, rate, review, school, shout, sign, skill, speaker, speech, symbol, teacher, test, time, timer, train, trivia, understanding, web, win, winner,