The answer is Yo "soy" de Perú
For this case, we will translate the sentence part by part.
the coach (masculine): El entrenador
interviews: entrevista
the athlete (masculine): a el atleta
In Spanish the word "el" serves to differentiate the word "atleta" from the masculine or feminine gender.
Answer:
You have to say:
El entrenador entrevista a el atleta.
Ella le escribe una carta.
The answer should be hablarán
True, the nosotros form of escribir is escribimos in the preterite tense
