Today is Sunday. Mike and Peter1 go to school. Listen!They are talking about the life2 in the room.
"3 will the world be like？"asks Peter. "I think that the world will be a4 place to live in. And we will 5 machines and robots at home. They will help us do much 6 ，"says Mike.
"The robots will help7 cook dinner，clean the houses and8 old people. I think there will be a kind of medicine（药）9 it can make me live for more than 100 years，"Peter says.
"What will you do then？"says Mike.
"Then I will10 my great﹣grandchildren（曾孙）to the moon，"says Peter.
"The moon？I will go to the Mars（火星）with my wife，"says Mike.
