De or het opera-aanbod?

The correct Dutch article is:

het opera-aanbod

Meaning (Dutch) (muziek) alle beschikbare opera's of operavoorstellingen

How to use opera-aanbod

the opera-aanbodhet opera-aanbod
this opera-aanboddit opera-aanbod
that opera-aanboddat opera-aanbod
our opera-aanbodons opera-aanbod
your opera-aanbodjouw opera-aanbod
every opera-aanbodelk opera-aanbod
which opera-aanbod?welk opera-aanbod?
a big opera-aanbod / the big opera-aanbodeen groot opera-aanbod, het grote opera-aanbod

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).