De or het duetfragment?

The correct Dutch article is:

het duetfragment

Rule Words ending in -ment: usually het. See the rule

How to use duetfragment

the duetfragmenthet duetfragment
this duetfragmentdit duetfragment
that duetfragmentdat duetfragment
our duetfragmentons duetfragment
your duetfragmentjouw duetfragment
every duetfragmentelk duetfragment
which duetfragment?welk duetfragment?
a big duetfragment / the big duetfragmenteen groot duetfragment, het grote duetfragment