b.
I think that in 200 years there will be a lot of things. For example, I think that in 200 years people will eat food from capsules and be full, I also think that in stores water and other liquids will be sold in small bags. Then I think that planes will fly very quickly, for example, a distance of 3000 kilometers will fly in 10 minutes. Next I think there will be flying cars and buses. I also think that in the future there will be sleeping places and a lot of delicious food on airplanes.