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).