Respuesta:
1 They were not doing their homework yesterday at 3 o´ clock.
2 What does he was watching on television when you arrived?
3 Howard was enjoying the movie when the light went off.
4 My parents were working when I came home.
5 In 2010,we were living in a small flat in London.
6 She was listening to music when I called her.
7 It was not raining when I left home.
Explicación:
