question 7\n7. la fiesta _______ en casa de ana.\nestá\nestoy\nes\nestamos

Brief Explanations:

"La fiesta" is a singular third - person subject. "Estoy" is first - person singular, "estamos" is first - person plural. "Es" is the copular verb "to be" used for identity, nature, etc., while "está" is the correct form of the verb "estar" (to be in a place) for a singular third - person subject indicating location. Here we are talking about the location of the party.

Answer:

A. está