Serios is the correct answer
At end of last week, I visited (went to visit) my aunt Lilia in the country.
le ( consegui) I got her some books from the library of the university because she asked me for it . (me los pidio , asked me for them.....)
verbs are ok at the preterito perfecto simple as "fui"
hope that's what you were asking for
G) conoce a un joven que piensa casarse; joven ha consultado con el conde una duda que tiene al respecto
