Final answer:
The correct verb form to fill in the blank is 'salgas'.
Step-by-step explanation:
The correct verb form to fill in the blank in the given sentence is salgas. The subject of the sentence is you (tú), and in Spanish, the corresponding verb form for the subject 'you' is 'salgas'. So, the sentence should be: Aria, ¡no salgas!
Learn more about verb form in Spanish