I think it would be "PUNTO"
Answer:
1. Venden
2. I dont get this one, sorry
3. comes
4. hacen
5. lees
6. comparto
I believe im right sorry if its wrong
The answer of 1. Es el libro del profesor, no de la profesora. 2. Ellos van a la tienda. 3. Vas al colegio bolivar. 4. Es la casa de la familia salas
C, it would be A, but the question said which was built first.