4. Choose the correct answer:

Solution:

1. Giovanni's car is bigger / the biggest than his friend's car.
2. Who is shorter than / the shortest person in your family?
3. Who is more independent than / the most independent person you know?
4. These sofas are more comfortable than / the most comfortable ours.
5. My brother is taller than / the tallest in the class.
6. Is Daniele's dog older than / the oldest yours?
7. Who is the best / better than singer in the world?