The answer for the blank space is
Estan
Answer:
I suposse that the underlined word is "olas", so the answer is "the waves"
Explanation:
<h3>Ustedes no comprenden; _____ ____ (equivocados/tristes).</h3>
Answer: Ustedes no comprenden; <u>están equivocados</u>.
Translation: You do not understand; You are wrong.