----- Nội dung ảnh -----
IV. Complete the sentences, using the comparative form of the adverbs from the correspondent adjectives in the brackets.

1. It usually rains **heavier** in Central Vietnam than in other regions. (heavy)
2. I will have to try a bit **harder** than this. (hard)
3. The hall was lighted **brighter** than the corridors. (bright)
4. Time goes by **quicker** when we are busy. (quick)
5. Our family has lived **happier** in the country than in the tower since last year. (happy)
6. The boys were playing the game **noisier** than the girls. (noisy)
7. This task can be completed **more easily** than that one. (easy)
8. A tractor can plough **better** than a buffalo or a horse. (good)