Can some please help me. I'm doing a food truck project on the country Chile. It's say create 10 sentences using the verb is de Cambio radical in both present and preterito

The teacher didn't explain this at all and i don't understand this

(05.02 mc)  read the sentences. choose the option with the correct pronoun that would replace the part in  boldand the missing pronoun in the last sentence.soy gustavo  y tengo el pelo gris y uso lentes. señora lourdes, es canosa también.

Correct answer only ! el sábado pasado yo ) en un restaurante con mi familia