Question

rita y natalia
para saludarse porque son muy buenas amigas.

Explanation:

This is a Spanish language fill-in-the-blank. The context is two good friends greeting each other, and the structure requires a verb phrase that fits the subject "Rita y Natalia" (plural third person) and the purpose of greeting. The correct phrase is use the verb "se besan" which means "they kiss each other", a common greeting between close friends in many Spanish-speaking cultures.

Answer:

se besan