Complete the sentences with the correct adverb (away, up, back) as per the instructions.

1. Jack gave away his favourite toy to his best friend Sam. 2. Alex gave up her exercises as she felt tired. 3. Paul gave back the book that Jack gave him to read for a weekend. 4. The coach said to a sportsman when he wanted to leave after a loss, 'Don't give up.' 5. Jason kindly gave away his collection of CDs to the school library.