I can give you some answers. It is asking if he did this yesterday or today.
1.) Ayer (I ate in a new restaurant)
2.) Hoy (Speak with your mom)
3.) Hoy (Pay with your credit card)
4.) Ayer (I bought some tacos from the taco shop)
5.) Ayer (He arrived at his uncle’s house)
6.) Ayer (He ran in the park)
7.) Hoy (Send emails to her two sisters)
8.)
