This is a link to a book of short stories in French which have parallel translations in English alongside, great for just reading a bit in a foreign language.
Relevant Websites: BBC Bitesize. Work through their range of new content watching the videos and answering questions. Complete all grammar tasks so that GCSE grammar knowledge is well-embedded before the A-level course begins: https://www.bbc.co.uk/bitesize/subjects/z8j2tfr
Distance learning sites: e.g. Seneca, Quizlet, Memrise, just to keep your vocab up.
Youtube / videos – Find a series that you enjoy watching in English and see if you can find this in French. Many US series are dubbed in French e.g. Friends, the Simpsons etc. Improve your listening and comprehension skills by watching for a short time and seeing how well you could follow it.
Netflix/BBC/All4 – There are a number of series or films that are in French that you can watch