Spanish language Q&A Forum

I think there is an error in this example translated sentence - pencil is mentioned 2 x.

Prefiero aquellos lápices de colores.

I prefer those pencil coloured pencils (over there).

I've been taught that this usage of the passive voice is discouraged in English, especially in formal writing, and especially when the active voice is easily possible. Is the same true in Spanish? Thank you!

If the example used "Vamos, ..." as "Come on, ...", why cannot I use it in my Quiz answer? Perhaps the Quiz needs to be more modified to remove the multiple correct options and be more concise. 

Is there some consistency I am missing in endings in -ar, -er, and -ir verbs in el imperativo? Ex's: Levántate (-ar), siéntese (-ir), córtense (-ar), levantémonos (-ar), acuéstate (ar). Something to do with reflexive?

If I want to ask a question, can I say "puedo preguntarte algo"? ie. can I ask you something (meaning a question)?

Is it still true that in some areas coger should be avoided due to negative connotations?

When, if ever, is the construction "no...nada" used? When is "nada" used?

porque dice eso no es correcto en el primer paso