Answer:
un, una, unos, unas
Explanation:
there are only 4 indefinite articles in Spanish!
1. Cero,cinco,diez,quince,veinte
2. Diez,veinte,treinta,cuarenta,cincuenta
3. Ochenta, ochenta y cinco, noventa, noventa y cinco, cien
4.Diez, doce, catorce, dieciseis, dieciocho, veinte
There is a lot of things that could go in that blank
so ill translate it for you and what it might be asking
"You ______ the chocolate desert"
i wonder if its asking if someone likes the desert but that is not grammatically correct so ill leave that there
if you need a more specific answer ask a better question