When all the information is absolutely correct, and you are sure that you can trust that information.
Hope that this would help you!
I do not understand your question...
1.Mi abuelita vive en Santiago
2.Yo ayudaría a
3.¿En dónde vives?
4.Ella está cansada
5.Fuimos a la fiesta
6.Estaba viendo la tele
7.¿Dónde está mi celular?
8.Trabajo en AIRCA
9.No he estado cantando
10.Caminaba a lo largo de la calle
11.Estamos bebiendo café
12.He sido vivir aquí para una semana
13.¿Quien me puede ayudar?
14.Estaba bailando con Harry
Its a. Sometimes, we have to rethink a situation in light of nee knowledge
I would say the third one but i am not so sure about it