in this statement the wrong thing is that there should be only boy not boys
“Bueno adios. Tengo que ir a clases de español.” I’m pretty sure
¿A qué hora vamos a cenar?
Vamos a cenar a las 5.
I am not sure like 100% because this kind of spanish is different (it's from Spain it's not the same) but it's probably
E) os
A) me
(la vihuela) esa es la respuesta