#1
1. went
2.was sleeping
3.was writing
4. Came, was playing
5.opened, Was sitting
6.was playing
7.got, were drinking
#2
We worked all morning yesterday.
2. Yesterday When I was walking in the park I lost my keys
3.When I met John , he was going to the railway station.
4. I was cooking dinner while my brother was watching a movie.
5.When I called my friend he was sleeping.