The correct answer would be abrió.
Usted <u>abrió</u> la ventana.
You (formal) opened the window.
Hope this helps! :3
Can you give more info? THere's <span>mollete from the Andalusian region in southern Spain</span>, <span>Pan de Cea from Galicia...so maybe this helps? I'm not sure</span>
A- cruce la calle en los cruses peatonales , because it alpies to the situation after he cant cross.
I think both B and D are correct.
B. De quien es esta regalo?
Whose gift is this?
D. Para quien es este regalo?
Who is this gift for?