Choose between Past Simple and Past Continuous

1. As I was driving to Sweihan, I realised that we were going the wrong way!!!!!!

2. Luckily we had a map in the car and soon found the right road.

3.While we were watching the races, girls were dancing and guys were playing the drums.

4. As I was eating my dinner, the telephone suddenly rang 

5. I bumped into an old friend as I was walking through the souk.