When you're talking about nonspecific things.
it's like (a) and (an) in english.
uno is for singular masculine.
una is for singular feminine.
unos is for plural masculine.
unas is for plural feminine.
9. Mientras Enrique _C. tocaba
_ la guitarra, Carmen cantaba.
11. San Sebastian sits on B. the Bay of Biscay.
12. Juan Tomas Avila Laurel went on a hunger strike to protest A. the presidents regime in Equatorial Guinea
19. Yo _D. compré_ in libro y despues fui a casa.
It is not C. compró because I just took a test that has that same exact question and I put down C. compró and I got it wrong. So I thinks it's D. compré.
Ah muy chido mi favorito anime tendra que ser Attack on titan.Me fascina !
