Final answer:
The correct verb form to complete the question "dónde queda la fiesta?" is "¿Sabes?" which means "Do you know?".
Step-by-step explanation:
The correct verb form to complete the question "dónde queda la fiesta?" is ¿Sabes. The verb "saber" in Spanish means "to know", and when asking for directions or information about the location of something, we use the verb "saber". Therefore, the correct form is "¿Sabes?" which means "Do you know?".
Learn more about Spanish verbs