1. This chair is ________ than that one. (comfortable)
2. Your flat is ________ than mine, (large)
3. The weather today is ________ than it was yesterday, (hot)
4. The Nile is the ________ river in the world, (long)
5. Chinese bicycles are ________ than Japanese ones, (bad)
6. Mathematics is ________ than English, (difficult)
7. Ho Chi Minh is the ________ city in Vietnam, (big)
8. He drives ________ than his friend, (careful)
9. She sings ________ in this school, (beautiful)
10. I read ________ than my sister, (slow)
11. Grace is ________ girl in our class, (old)
12. This exercise is ________ than that one. (easy)
13. He is twice ________ as you. (fat)
14. Nam is ________ student of all. (noisy)
15. My cold is ________ today than it was yesterday, (good)
16. This exercise is (easy) ________ of all.
17. This flower is (beautiful) ________ than that one.
18. He has twice as (many) ________ books as his sister.
19. Which is the (dangerous) ________ animal in the world?
20. English is not so (difficult) ________ as Chinese.