I've already finished the course (twice), and learned these words (diagramme, nuances, sbutilites, revelent), but they are still grey for some reason.
I've been using Lingvist for a month and have some feedback
Speaking exercises - French
Hi I can help you with your Spanish
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German gets an upgrade... or two
Add Check for Singular Phrasing In Forums
Challenges Completed Text Not Displaying Correctly