Example: air traffic controller
Search results with tag "Writing guide for the c1"
WRITING GUIDE FOR THE C1 (CAE/ISE III)
intercambioidiomasonline.comProviding that you have time to get out and about, I would also recommend finding a language learning partner to keep up you motivation. It would be a great idea to join a conversation group to get some practise. Having said that, on the internet you can also join groups of Facebook to chat to other language learners.