Fill in the correct form of the words in brackets (comparative or superlative).
1. Sao Paulo is __________________ London. (crowded)
2. Paris is __________________ city in the world. (romantic)
3. New York is much __________________ Sydney. (expensive)
4. The Eiffel Tower is __________________ building in France. (famous)
5. China is one of __________________ countries in the world. (big)
6. In my opinion, Tokyo is __________________ Mumbai. (interesting)
7. Barcelona is __________________ Stockholm. (hot)
8. I think that Istanbul is __________________ city in the world. (beautiful)