B) Put the adjective in comparative and superlative form.
I am ___________ (tall) my sister.
2. My mum thinks that cats are ___________ (good) pets than dogs.
3. Cycling is one of ___________ (dangerous) sports.
4. I want to have ___________ (big) car.
5. A blue whale is ___________ (heavy) twenty-five elephants.
6. You look ___________ (thin) last month. Have you lost weight?
7. Bicycles are ___________ (slow) cars.
8. She is ___________ (nice) person I know.
9. What is ___________ (good) film you´ve seen?
10. Computers are ___________ (cheap) mobile phones.
11. Is your brother ___________ (tall) you?
12. I think Spanish is ___________ (easy) Japanese.
13. Our dog is ___________ (nice) your dog.
14. Glass bottles are ___________ (good) plastic bottles.
15. I think Rafael Nadal is ___________(good) tennis player in Spain.
16. Sharks are ___________ (dangerous) other fish.
17. This situation is ___________ (serious) the last one.
18. He is ___________ (smart) his brother.