complete the sentences.choose the correct adjective form. таблица

Complete the sentences.choose the correct adjective form.
таблица
_____________________________________________________________ l
Longer/the longest higher/ the highest bigger/the biggest

_____________________________________________________________
1. the Nile is the _longest_ river in the world.
2.Everest is ___________ mountain in the world.
3. The Sahara is __________________ desert in the world.
4. An ocean is _______________ than a sea.
5. Mountains in Asia are _________________ than in Europe.
6. The Volga is ____________________ than the Svisloch.