If you have finished everything you can learn more about Great Britain and its culture.
Go to G Life and Culture and do the assignments.
http://www.studioengels.nl/havovwo_ob/Thema_Personal/
This video will show you some beautiful scenes of British countryside. Follow the link and do tasks 1 and 2 of both videos on Countryside is great. So, watch both videos, part 1 and 2, and do tasks 1 and 2 that are part of each video. Enjoy yourselves.
http://learnenglish.britishcouncil.org/en/britain-great-episodes/countryside-great