Answer:
I believe it's he/she as I was always taught that it was he/she/it in my Spanish classes but I might be wrong :)
1.b
2.d
3.el
4.I’m not sure about the 4th question
The correct answer is ibamos.
Nosotros ibamos a ir a la fiesta pero Claudia se enfermó.
<span>it said ¡Vente conmigo!
</span>
