Respuesta:

1. This exercise is.....easier ......(easy) than the previous exercise.->  comparativo

2. This TV show is........(interesting).  >the most interesting

superlativo

3. Yesterday was..........(hot) day of the year. >hotter

superlativo

4. It is..........(difficult) test of all. >the most difficult

superlativo

5. This pen writes..........(good) than my previous one.> better

comparativo

6. This book is.........(exciting) than that film. >more exciting

comparativo

7. This pupil is...........(intelligent) in the class. >the most intelligent

superlativo

8. This is...........(old) castle in Britain.  >the oldest

superlativo

9.Friends are............(important) than money: > more important

comparativo

10. This watch is......(expensive) than the necklace.  >more expensive

comparativo

11.This actor is.........(famous) actor in spain.  >the most famous

superlativo

12. English is..........(easy)than italian.  >easier

comparativo

13.Hostels are..........(cheap) than hotels.  cheaper

comparativo

14. My sister............(old) than me.  older

comparativo

15. This cake is...........(delicious) than ice cream. more delicious

comparativo

16. This dress is..........(beautiful) in the shop. the most beautiful

superlativo

17. This t-shirt is...........(bad) than that t-shirt. worse

comparativo

18. My car is..........(modern)than yours.  more modern

comparativo

19. I want..............  (new) phone in the shop.  The newest

superlativo

20. My dog is................(young) than hers.​younger

comparativo