<em>Registraba</em> and <em>descansaba </em>are imperfect. They should be preterite instead because it happened last night<em>—anoche</em>—at a specific time.
Corrected sentence: Anoche, me registré en un hotel y descansé por la noche.
Answer:
menos/que/más/que/como mucho/como
1,3,4,2
Explanation:
The words go in that order.