Answer:
1. quickly
2.beautifully
3.slowly
4.hard
5.fast or quickly
Explanation:
1.Quick is an adjective and the adverb form is quickly.
2.beautiful (adjective) > beautifully (adverb)
3.Slowly is the usual adverb from the adjective slow.
4.Hard is both an adjective and an adverb. When it is an adverb, it means 'needing or using a lot of physical or mental effort'. It goes after the main verb: I studied hard for my exams but didn't do very well.
5.Fast and quickly are adverbs.
hope it helps
