根据句意, 用括号中所给词的适当形式填空。
Will people live                 100 years old?   ( be )
Mother               (sweep) the floor when I             (leave) home.
My friend Eve told me she                (be) going to buy a new computer.
It’s necessary for young people                    (experience) different things.
My dream is to be a                   (profession) athlete.