Type one of the two words (adjective or adverb) in the boxes below.

1. He drives very careful/carefully.
2. They speak English quick/quickly.
3. Isabel is working hard/hardly.
4. Dean left sudden/suddenly.
5. This is a library. Please be quiet/quietly.
6. I didn't hear Adam leave. He shut the door quiet/quietly.
7. The teacher speaks clear/clearly.
8. It's a good day for a picnic. The sky is clear/clearly.
9. The teacher explained that bad/badly.
10. Brad is a careful/carefully driver.