Final answer:
The correct verb to fill in the blank is 'acostamos'. 'Nosotros nos acostamos' means 'We go to bed' in English.
Step-by-step explanation:
The correct verb to fill in the blank is acostamos.
'Nosotros nos acostamos' means 'We go to bed' in English.
For example, 'Nosotros nos acostamos a las diez de la noche todos los días' translates to 'We go to bed at ten o'clock at night every day'.
Learn more about Spanish verbs