The answer for that blank part of the sentence is para so the sentence would be Necesito ir a la tintoreria para lavar mi traje.
Answer:
The right answer is, 1. Prefieres, Prefiero.
—Pepe, ¿prefieres el traje o los pantalones y camisa para la fiesta?
—Ni el traje ni los pantalones, no quiero ir a la celebración. No estoy bien.
—Lo siento.
—Prefiero estar solo en la casa.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed.