1. This room/ nice/ the hotel.
=>This room is the nicest in the hotel.
2. Films/ interesting/ plays.
=> Films is more interesting than plays.
3. Jack/ intelligent pupil/ the class.
=> Jack is the most intelligent pupil in the class.
4. Russia/ lagre country/ world.
=> Russia is the largest country in the world.
5. Everest/ high mountain/ world.
=> Everest is the highest mountain in the world.

Kiếm tt ạ !