How can you describe life in big cities in the future?

How can you describe life in big cities in the future? Rewrite the sentences. Look at the example first.

Example: People wont have any diseases. = I dont believe that people wont have any diseases.

1. Children wont go to school, they will study at home. =
2. There will be no teachers, computers will teach children. =
3. Robots will do all the housework. =
4. Most people will be very athletic. =
5. Most people will travel by bicycles. =