Please help. Any answer is fine as long is it makes sense

Write about the history of the chilean currency in spanish. mention the names of various individuals who, over the past few decades, were honored by having their portraits included on the currency.

Diego mirando las figuras en el parque porque muy interesado en la escultura. a. es, es b. está, está c. está, es d. es, está

Explain stem changing -ir verbs and how they're different to stem changing -ar and -er verbs in the present subjunctivepoints!