Answer:
31) b. trabajo
32) b. cantan
33) b. nada
34) a. escucharan
35) c. baila
36) c. estudiamos
37) a. practicas
38) b. pintaramos
39) c. dibujaro? it should be dibujo
40) b. pasar
Hope this helps you :)
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