Answer:
a. not necessary ("I wash/clean the car")
b. not necessary ("I wash/clean")
c. Nosotros/nosotras ("we brush the dog" is basically what it's saying)
Explanation:
I believe it would be B but don't quote me on that please check with other people I really do advise it
Yo- é
tú- aste
él/ella/ud.- ó
nosotros- amos
vosotros- asteis
ellos/ellas/uds.- aron
What is the question I can’t help with out knowing the question