Ex.4
1. In 2040, we will drive electric cars.
2. In 2050, we won't go on holiday on Mars.
3. In 2050, will some people live on the moon? Yes, they will.
4. In 2040, will people buy everything on the Internet? No, they won't.
5. Will we have robots in our houses soon? Yes, we will.
6. In 2050, will people only eat meal pills? No, they won't.
