It's cantado. (FYI, later on, it's not going to be useful to learn the terms of the verbs, but to just get a feel for them)
Answer:
I don't know what verb you're supposed to use, but possibly
comprar-buy
cortar-cut
vender-sell
echar/botar-throw out
limpiar-clean
hope this helps :)
B. a pie
Yo camino a pie a la escuela.
La semana pasada, mamá y mi tía discutieron _sobre_un malentendido, pero hoy hablaron y se _arreglaron_.