Answer:
No tire basura en el parque.
Explanation:
The formal style of writting in spanish is when you talk to people in "Usted" form and that is accomplished by speaking in third person to the person, you never speak in second person to someone that you are approaching formally.
So the only one from the options that is not speaking directly in "You" form rather and a "He/she" form or third person form is "No tire basura en la calle", so that would be the formal command written properly.
It’s veo
explanation: voy mean like you’re going, ver mean you saw, ven means you’re coming
veo mean that your seeing( it’s present tenses). good luck!
Hacían, Escuchaban are the right answers I’m pretty sure
When used record high oil revenues, his government nationalized key industries and other programs called the Bolivarian Missions to expand access to food, housing, healthcare and education. hope this helps.