When talking to anyone that has an occupation like a teacher (so teachers, doctors etc.) You always use the formal conjugation of that word. So the answer is Usted
The direct object is ordenan pollo
Answer:
yo: soprendi
Tu: Soprendiste
el/ella/Ud.: soprendio
nos.:soprendimos
vos.: soprendisteis
ellos/ellas: soprendieron
Explanation:
To make it easier try going to this website. https://www.spanishdict.com/conjugate/sorprender
