Answer: Marcos no <u>se seca</u> el pelo después de ducharse.
Explanation: in reflexive verbs the subject who performs the action is the same one who receives it. In this sentence the subject is "Marcos", who is a third singular person, so you you can say:
Translation: Marcos does not dry his hair after showering.
<h2><em>Spymore</em></h2>
Incorrect it’s estos archivos son tuyos

STUDYING
<h3>hope it would be helpful </h3>
The answer is primo (cousin)
Sorry the answer is late. Hope I helped