根据短文理解，从A、B、C、D四个选项中选择最佳一项填空。
How do you imagine the future? Will life in the future be better, worse or the same as now? 1 do you think of the future?
People 2 that life will probably be very different in 2050. First of all, planes will be very 3, so flying will be very cheap. Everyone will have a small car. Fuel will be new and clean, but expensive. We will 4 robots everywhere. And space planes will take us around the world 5 two hours. Homes will be warm in winter and cool in summer, so they will be very comfortable. We will use the sun 6 our homes. Computers will be very small so they will be very 7. People will do many things on the Internet.
At that time, water will become one of our most8 problems. In many places, farmers will be in great need of water to9 fruit and vegetables.
By 2050, we will be able to help blind and deaf people see again and10 again. At that time, our life will be better and better.
