Điền các từ sao cho phù hợp

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)