WM thanked hellene in topic How to sing accidentals 1 month ago
WM replied to the topic 'How to sing accidentals' in the forum. 1 month ago

hellene wrote:
We sing solfeggio with no sharps or flats

Could you explain more?
Say if the student remember a note in a song by "Do", he may not know whether it’s C or C#.

Wouldn’t it be more straight forward to sing the chromatic solfege? "Do" for C, "Di" for C#, etc.