Complete the sentences. Use the comparative or the superlative form of the given words. If the word is correct, click the arrow button or press Enter

1. The weather in Madrid is much
   [ ] than in London.
2. Traffic in New York is
   [ ] than in Chicago.
3. Mount Everest is
   [ ] mountain in the world.
4. The Amazon is
   [ ] river in South America.
5. The Mayan civilisation is
   [ ] than the Aztec civilisation.
6. Europe isn't as
   [ ] as Asia.
7. The Pacific Ocean is
   [ ] than the Atlantic Ocean.
8. Australia is
   [ ] continent in the world.
9. Canada is
   [ ] than Mexico in winter.
10. The Atacama Desert in Chile is
    [ ] place on Earth.
11. Cairo is
    [ ] than Athens.
12. Greenland is
    [ ] island on Earth.