Peter is a (quick, quickly) learner. he always does his homework (quick, quickly). he listens to his teachers (careful, carefully). when he crosses the street he’s always very (careful, carefully) too. she sings (beautiful, beautifully). he’s got a (beautiful, beautifully) voice. he studies (hard, hardly). he (hard, hardly) studies. ann is a (wonderful, wonderfully) girl! she always looks (wonderful, wonderfully). my mother looked at me (cold, coldly). it is (cold, coldly) today. my brother has a (loud, loudly) voice. the brother shouted (loud, loudly).
2. quickly
3. carefully
4. careful
5. beautifully
6. beautiful
7. hard
8. hardly
9. wonderful
10. wonderful
11. coldly
12. cold
13. loud
14. loudly