When you _______(come) at the party, who _______(be) there?

David ___(not/sleep) when I _____(arrive) , he _____(study) .

I _________(enjoy) my book so much that I _________(not/notice) that the train had stopped.

The car ______(break) down and we ________(have) to walk home.

The boys _______(swim) while the girls _______(sunbathe) .

The thief_____ (sneak) into the house, _______(steal) the jewels and _______(leave) without a trace.

I _____(fall) asleep while I _______(watch) TV last night.

When I ______(leave) the house this morning, the sun _______(shine) .

I ____________(not/call) you at 9 o'clock as arranged because I _________(have) a meeting.

When or while

One man was mowing the grass _______ his wife was picking strawberries.