1. The Nile is the longest river in the world (long)
2. Chinese bicycles are worse than Japanese ones(bad)
3. Mathematics is more difficult than English, (difficult)
4. Ho Chi Minh is the biggest city in Vietnam (big)
5. He drives more carefully than his friend, (careful)
6.. She sings the most beautiful in this school (beautiful)
7. I read more slowly than my sister (slow)
8. Grace is the oldest girl in our class (old)
9. This exercise is easierthan that one. (easy)
10. He is twice as fat as you. (fat)
11. Nam is the noisest student of all. (noisy)
12. The weather is better today than it was yesterday, (good)
13. His exercise is (easy) the easiest of all.
14. This flower is (beautiful) more beautiful than that one.
15. He has twice (many) as many books as his sister.
16. Which is (dangerous) the most dangerous animal in the world?
17. English is not (difficult) as difficult as Chinese.
18. Peter now plays tennis (skillful) more skillfully than he did last year
19. She studies as (good) well as I do
20. He is (good) the best student in the ( giải hộ vs ạ)