Раскройте скобки, используя Past Simple или Past Continuous.

Bob his homework. (not understand)
The police the criminal while he . (arrest, shout)
I jam when the postman . (cook, come)
She the window when her neighbour ‘Hello’. (open, say)
As they for the bus, it to rain. (wait, start)
While we the Christmas tree, we to Christmas carols. (decorate, listen)
We in Monaco 5 years ago. (live)