Use the comparative form of the adjectives to complete the sentences.

1. Mary is __________ (busy) than her boss.
2. I am __________ (tall) than my brother.
3. The sun is __________ (hot) than the Earth.
4. The Earth is __________ (large) than the moon.
5. Mars is __________ (warm) than the Earth.
6. Elephants are __________ (big) than mice.
7. This restaurant is __________ (good) than that restaurant.
8. Salads are __________ (healthy) than hamburgers.
9. I think weekends are __________ (nice) than weekdays.