Choose the correct forms of the verbs to complete the sentences

1. While we [worked|were working], our boss [arrived|was arriving] to the office.
2. It [didn't rain|wasn't raining] while I [walked|was walking] in the park.
3. When I [woke up|was waking up], the sun [shone|was shining].
4. What [did you do|were you doing] when I [called|was calling]?
5. I [watched|was watching] TV, so I [didn't hear|wasn't hearing] the doorbell.
6. I [took|was taking] one cookie while my mum [baked|was baking] them.
7. [Did you go|Were you going] to the supermarket when you [saw|were seeing] Jane?