1. Were you working on the film in 1998
2 I was thinking about you last night.
3 Mikes parents werent feeling very happy about his school report .
4. Christina was listening her new C D in the English lesson (yesterday)
5 When you saw her was Teresa living in Madrid
5 Was Teresa living in Madrid when you saw her ( этот вариант правильнее...... я чувствую это.)