Speak the words : As not all languages are covered ...
Speak the words is a great tool, but I cannot use it as the language I'm teaching (Luxembourgish) is not in the list.
1. It would be awesome to give the possibility to course authors to upload their own audio instead of being limited to the languages in the list.
2. When students use "speak the word", in the step where they check their pronunciation, it would be very helpful having the possibility to play both audios (the students audio AND the native one) simultaneously in order to hear exactly where they have to improve their pronunciation.