Superlative adjectives

Whos is the _______ (tall) person in your family?

December is the _______ (cold) month of the year.

Who is the _________ (famous) singer you know?

My mom bought the _________ (big) cake in the shop.

Marie is the _________ (quiet) kid in school.

What's the _______ (dangerous) animal in the world?

Everest is the ________ (high) mountain in the world.

This phone was the _________ (expensive) that I have ever bought.