I. Fill in the correct word in the blank.
1. Dad's car is much (fast) ..........................than mine.
2. I think scuba diving is (fascinating) ..................................than climbing. 
3. His thirst grew (big) .....................and (big)
4. He thinks this test was (difficult) ....................................than the last one.
5. They live in a (beautiful) ......................................house.
6. She is the (good) .....................................tennis player of the world.
7. Susan is a (nice) .......................................girl.
8. This suitcase is (heavy) ................................than the others.
9. Hotels in London are (expensive) ...............................than in Vienna.
10. Bob is (tall) ............................than Keith, but Phil is the……………… (tall).
11. Doris reads (many) ..............................books than Peter, but Frank reads the (many).
12. France is as (beautiful) ..................................as Spain.
13. They live in a (big) .....................house, but Fred lives in a (big) ...........................one.
14. My sister is three years (young) ………….…............than me.
15. This was the (bad) ..................................film I have ever seen.
16. Detective films are as.............................as western films. (boring)
17. No, I don’t think so! Romantic films are...................... films I have ever seen. (boring)
18. The United States are........................than Mexico, but Russia is the .............................country (large)
19. A mouse is as…………..........as a hamster, but a rat is.....................than a mouse. (clever).
20. A canary is..........................than an eagle, but a parrot is the......................bird. (colourful)