3) Fill in the gaps with the comparative or the superlative form of the following adjectives.

3) Fill in the gaps with the comparative or the superlative form of the following adjectives:

1. This car is faster (fast) than that car.
2. Their flat is bigger (big) than mine.
3. This pair of glasses is the most expensive (expensive) in this shop.
4. Who is the youngest (young) person in your family?