¿Tus amigos compraron algo anteayer?
Answer : a.) Mis amigos no compraron nada.
Explanation : The question refers to "Tus amigos", so the answer should refer to "Mis amigos".
Hope this helps!
Nosotros ,because it is not only including mark and jason but you are also including yourself.
Answer:
Èl es de los Estados Unidos
Explanation:
he is from the United statea
El despacho translates to the office