¿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!
A.) because Ella ( girl) ending. Is supposed to be e along is él
Different due to time and date, also because they’re recess is after lunch. They have multiple teachers in Elementary, and they do not speak the same language and are not from this country