Question

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 ) tennis player in spain. 16. sharks are (dangerous) other fish. 17. this situation is (serious) the last one. 18. he is (smart) his brother.

Answer 1

1. Talller than
2. better
3. the most dangerous
4. the biggest
5. heavier than
6. thinner
7.slower than
8. the nicest 
9. the best
10. cheaper than
11. taller than
12. easier than
13. nicer than
14. better than
15. the best
16. more dangerous than
17. more serious than
18. smater than