Ключевые слова: 10s, ability, activity, attendee, attentive, boy, chair, children, class, competency, computer, courses, display, education, english, girl, group, indoors, informatics, interested, it, keyboard, knowledge, learning, lesson, looking, minor, occupation, place, pleased, practice, preteen, programs, room, russian, school, sitting, software, student, table, teacher, technology, together, trainer, training, underage, using, younger,