Answer:
es muy importante, economia es la base del trabajo.
Explanation:
On the first sentence you use viajara is in the future viaje is past and viajo is present
second sentence hablemos is in future while hablaramos is present and hablamos past
third sentence ire is future voy is present and fui past
on all the sentences theyre talking about doing those stuff in the future
the answer is "Where do you suggest my cousins stay?"
I think this could help u i'm not sure about the last part but that's how it goes according to me lol