2 it was the happiest day

3 it's the best film

4 He is the most popular singer

5 it was the worst mistake

6 it's the prettiest village

7 it was the coldest day

8 he is the most boring person

Everest is the highest mountain in the world.

Brazil is the largest country in South America.

Alaska is the largest State in the USA.

The Nile is the longest river in Africa.

Jupiter is the largest planet in the solar system.