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Complete the sentences with these adverbs. 

carefully happily healthily quietly well 

1 You need to eat ____  ____ to keep fit.
2 I couldn't hear him because he spoke very ___  ______.
3 To get a job as a holiday rep. you need to speak English ________  _.
4 Maria's singing _______  _. Is she having a good day?
5 Write your essays ______  __ - I don't want to see any mistakes.