用形容词，副词比较级或最高级填空。

1. He runs               (slowly) than his brother.

2. Of all the students, the girl gets up              (early) every day.

3. Summer is the               (hot) season in a year.

4. He is getting               and               (good).

5. This is the               (bad) of all your habits. You should get rid of it.

6. His flowers are                (beautiful) than mine.

7. This room is                (quiet) of the three.

8. He is               (careful) than his brother when they do homework.