Ключевые слова: answer, bubble, change, check, choice, choose, circle, class, college, correct, correction, education, error, exam, examination, fill, filling, form, glass, grade, high, lead, magnifier, magnifying glass, mark, mistake, multiple, number, paper, questionnaire, quiz, remove, replace, scan, scantron, school, scoring, sheet, student, study, survey, taking, teacher, test, tron, writing, zoom,