Answer:
the first one
Explanation:
It would be the third one the 1st one will say I sleep when yo is already there.
The third one: duerme
Answer:Esta computadora es mía.
Los amigos <em><u>estuvieron</u></em> en el andén donde <em><u>esperaron</u></em> el tren.
I think this is it.
trabajo is the correct answer