Составьте 5 предложений в превосходной степени.

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.

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.