Answer:
1.) Somos
2.) Es
3.) Son
Explanation:
These are all forms of the verb to be, in the form "ser" but you have to adapt it accordingly to the person in the sentence you're referring to (conjugation) .
1.) conjugated with We ("Nosotros")
2.) conjugated with It ("eso": map of cuba)
3.) conjugated with they ("ellos o ellas": las chicas)