英语改错题 英语好的进Long long ago,people had gather leaves and fruit

英语改错题 英语好的进
Long long ago,people had gather leaves and fruit of plants to eat with.They didn't know how to plant crops or how to keep animals for their food.We call them Stone Age people.Thing for them were terrible and hard.Now there have still some people living liked those Stone Age people.They live in places that are hard reach.They do not know of out invention,for they keep themselves away our civilizedworld.For many years a group of people call Aruntas have lived alone in the center of Australia.