N4100V1 Teilzeit-Bildungsurlaub English Brush up your English B1+

Dear future participants,
Generally speaking you manage quite well everyday situations (private and business), if they do not require too much detailed information, however, you would like to improve your fluency and become an independent, confident user of English.
This week migt be a first step for you:backed up by a 'refresher textbook' we would like to use as much English as possible. Why don't you give it a try?