Answer:
You have to use indirect pronouns. For example Yo, Tu, El, Ella, Usted, Nosotros, Vosotros, Ellos, Ellas, and Ustedes.
Answer:
blank 1: usuario
blank 2: seguidores
blank 3: companero de colegio
blank 4: virtual
Se parecen porque las dos palabras terminan con “ble”.
The answer is C, I’m 100% sure. Hope I helped :)