As previous contributer, get those written Exams out the way! And try to remember what you learned, rather than let most of it leave your memory the moment the CFI comes back with a smile on his face after marking the papers!
Listening to ATC frequencies may help with radio familiarisation, also to build the picture of where everyone is in the circuit - not much use if the weather is so poor that no one can fly, but I found it helpful anyway - particular when driving past fields I hadn't flown into with procedures different to those one knows.
Thinks - must visit White Waltham!