Easy spanish points. please help asap

Hola, mario: yo (1) (estar) en la universidad. la clase de anatomía (2) (ser) de cinco a siete. mi hermano y su esposa (3) (venir) a cenar esta noche. a las siete (yo) (4) (blank) (correr) al supermercado (grocery store). tú (5) (blank) (tener) que regresar a casa antes de las siete. hasta pronto. gracias, valeria

Ser/ir: past tense in this group. both verbs have the conjugation.

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.