Today is Sunday. Mike and Peter1go to school. Listen! They are talking about the life2in the room. "3 will the world be like?" Peter asks. "I think that the world will be a4place to live in. And we will 5machines and robots at home. They will help us do many6," says Mike.
"The robots will help7cook dinner, clean the houses and8old people. I think there will be a kind of medicine (药)9it can make us live more than 100 years," Peter says.
"What will you do then?" says Mike. "Then I will10my great grandchildren (曾孙) to the moon," says Peter. "The moon? I will go to the Mars (火星) with my wife," says Mike.
