Decida: past perfect o present perfect.
check o solución
This morning I		a coffee and a croissant. (to have)
He		to a party, before he came here. (to go)
Before he became a boss it		nice to talk to him. (to be)
They		many nice things about him, he now is so happy.(to say)
She		her last exam, therefore she was a doctor then. (to write)
They		the house this year. (to paint)
She		the door, before she understood that she should not.(to open)
He		nothing wrong but is in prison. (to do)
They		a new house, therefore they couldn't pay for the car anymore. (to buy)
We		the cake, now we don't have any left. (to eat)