De or het mond-keelholte?

The correct Dutch article is:

de mond-keelholte

Rule Words ending in -te: usually de. See the rule

How to use mond-keelholte

the mond-keelholtede mond-keelholte
this mond-keelholtedeze mond-keelholte
that mond-keelholtedie mond-keelholte
our mond-keelholteonze mond-keelholte
your mond-keelholtejouw mond-keelholte
every mond-keelholteelke mond-keelholte
which mond-keelholte?welke mond-keelholte?
a big mond-keelholte / the big mond-keelholteeen grote mond-keelholte, de grote mond-keelholte