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Look at the lists and pick one.
For this theme there are five lists:
Click on the word: 'Overnemen' behind the list you want to learn.
You now see the list, scroll down and click on 'Opslaan'.
Click on 'Overhoren'. Choose a way in which you'd like to practise.
Then click 'Begin overhoring'. Practise in different ways.
Good luck!