Oración, sujeto, predicado, núcleos, modificador directo e indirecto, aposición, objeto directo e indirecto y complemento circunstancial.
When a straight line standing on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.
The correct answer is B, van a.
The literal translation reads, “My sister and you are going to go fishing this afternoon,” and van a means going to.
I hope I helped!