Ответ:
1. Nick is taller than Mike.
2. This dog is smaller than the lion.
3. Nick is my best friend, but Mike is best of all.
4. The Volga is the longest river in Europe.
5. Cats love their homes better than dogs.
6. July is the hottest month in summer.
7. Olga is the most beautiful girl in our group.
8. Moscow is the biggest city in Russia.
9. Sam is stronger than you.
10. The film is more interesting than the book.