The correct answer would be abrió.
Usted <u>abrió</u> la ventana.
You (formal) opened the window.
Hope this helps! :3
Answer: i need more information to help u succeed with what you’re asking me to do
Answer:
Hemos estudiado por más de tres horas.
Use the verbs you have learned in this lesson to describe an event you have attended:
What is the question?
