Work in pairs: decide which is the correct tense. Past Simple or Past Continuous?

Five years ago I travelled / was travelling on a plane.

We left / were leaving the cinema before the end of the film.

When I came to the station to the station Ann talked / was talking to the porter.

Where did you go / were you going on your last summer holiday?

When I heard the alarm I left / was leaving the room immediately….

I walked / was walking in the street when I suddenly heard / was hearing someone call me.

We went / were going to the city. But on the way we heard / were hearing about a bomb scare. So we drove / were driving back home.