Question

ar present tense
ya o nosotros/as amos
tú as vosotros/as áis
él/ella/ usted a ellos/ellas/ ustedes an
finish the sentence with the correct conjugation.
ella ? (bailar) durante la noche.
bailo
bailas
baila

Explanation:

The subject "Ella" (she) matches the él/ella/usted category for AR verbs in present tense, which uses the suffix "-a". Remove the "-ar" from "bailar" and add "-a" to get the correct conjugation.

Answer:

baila