I think that the world will be an easy place to live in. We _______ have machines and robots and they will _______   us do all the _______ jobs,and we won't have to do things _______ washing dishes and _______ the bed, though we won't have any dishes at all. Maybe we will just throw the dishes away after each meal. I _______ that doctors will be able to _______ us alive _______ a long time. I hope that when I am 80 years old, there _______ something and it will help me live for ________ 80 years,so I will live to be 160 years old.