10. Use What's or Who's and the adjectives in brackets in the superlative form to complete the questions. Then ask and answer in pairs.

1. Who's the thinnest (thin) student in your class? It's... 2. What's the most difficult (difficult) subject at school? It's... 3. What's the easiest (easy) sport to play? It's... 4. Who's the most famous (famous) athlete in the world? It's... 5. What's the most popular (popular) sport in the world? It's...