He's the most brilliant scientist in the country. -
It's one of the oldest universities in the world. -
It is the tallest tree in the world. -
I'm the oldest man in the world. -
It is one of the most expensive hotels in the world. -
I'm the best player. -
She is the best pupil in her class. -
It was the biggest river in the forest. -
He's the kindest. -
It is one of the poorest countries in the world. -
It is the most important meal of the day. -
This is the most delicious yoghurt in the world. -
It was the best part of the day. -
It's one of the largest lakes in the world. -
It's the best place in the world. -
She was the smallest person in the room. -
It is the fastest car in the world. -
It was the coldest night of the year -
This is the most important day of my life. -
It's one of the largest cities in the world. -