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).