Nel Choose the correct answer: a. Giovanni's car is bigger / the biggest than his friend's car. b. Who is shorter than / the shortest person in your family? c. Who is more independent than / the most independent person you know? d. These sofas are more comfortable than / the most comfortable ours. e. My brother is taller than / the tallest in the class. f. Is Daniele's dog older than / the oldest yours? g. Who is the best / better than singer in the world? h. We are younger than / the youngest the rest of the class. i. My hair is the straightest / straighter than your hair. j. He is more popular / the most popular singer in the world