Translation of sustain in Spanish

Hi,I'd like to ask you if it's possible for you to tell me briefly how to study here. I don't know that's why I'm not online most of the time. Thank you very much for choosing me as a friend. I hope our friendship can get better so we can practice.
We drove to the next spot exactly at noon. We were told that this spot would not be crowded at all during the lunch hour and we were not surprised to find it completely empty without anyone else.
While waiting for the counter to open, my wife developed a stomach ache. The plane took of at around 4 or 5 pm and landed around 2 hours later at the airport of Santiago de Chile. It was already dark.