1. She sings beautifully.
2. He drives carefully.
3. They danced wonderfully.
4. The puzzle was solved difficultly.
5. She solved the math problem intelligently.
6. He slept comfortably.
7. The house was decorated attractively.
8. She finished her work quickly.
9. He played basketball badly.
10. She speaks English well.
11. They worked hard.
12. He ran fast.