Final answer:
The appropriate verb to fill in the blank is 'sabemos' which means 'we know' in Spanish.
Step-by-step explanation:
Mis hermanas y yo sabemos Argentina muy bien.
The appropriate verb to fill in the blank is 'sabemos' which means 'we know' in Spanish.
Example: Mis amigos y yo sabemos tocar guitarra.
Learn more about Verb conjugation in Spanish