Ключевые слова: adult, advice, answer, background, blackboard, business, businessman, chalk, chalkboard, check, checklist, choice, choose, concept, draw, education, evaluate, evaluation, exam, form, fulfillment, hand, human, idea, list, man, manager, mark, office, option, outstanding, performance, person, pointing, presentation, questionnaire, report, result, school, screen, select, showing, sign, survey, teacher, teaching, tick, white, work, write,