when/while

____________________ they were on vacation their car was stolen .

He slipped ____________________ crossing the street .

____________________ he started driving he made a lot of mistakes .

Lyusya weeped ____________________ listening to Mahler .

We ____________________ to the shopping mall .

____________________ the accident happened , they ran for hel p

____________________ I was having a shower , the phone ran g

____________________ I arrived at the supermarket , it was closed .