дети должны помогать их родителям по дому конечно потому что родители очень устают, трудясь для своих детей, и к тому же, уборка входит в их обязаности
children should help their parents at home of course because parents are very tired, working for their kids, and what's more, cleaning is included in their duties
children should help their parents at home of course because the parents are very tired, laboring for their children, and in addition, cleaning is included in their duties
children should help their parents in the home, of course, because parents are very tired, working for their children, and also, the cleaning part of their duties