Составьте 5 предложений в превосходной степени.

She is my best friend.
It is the most interesting book I have ever read.
He is the worst runner.
This car is the most expensive I have ever bought.
This dog is the funniest I have ever seen.

Russia is the biggest country.
I am the tallest in my school.
Time is the most expensive in the world.
Dog is the best friend of people.
Skyskrapers are the highest building.