Continue to read widely using the many sites you have been given for suggested reading. Think creatively about how you will organise your notes for revision. You may wish to save interesting phrases from articles into word documents and colour code them. You could also place a copy of your key essay phrases in a place such as above your desk at home so that you are seeing them and memorising them daily.
Here are two examples of excellent revision notes on the topics of:
¿Merece la pena ir a la universidad o no?
¿La igualdad entre hombres y mujeres ya existe o no?
Thanks to Christina for her generosity in sharing her work!
Here's an great example of key phrases revision notes. Thanks Catherine!