Verb conjugation of "completar" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
After two weeks in less developed countries it was somehow interesting to arrive here. The express shuttle from the airport took us into town in less than twenty minutes and had several station.