Write the sentences with when or while.

1) I was playing football I broke my leg. (when)
2) I was doing my maths homework, I fell asleep. (while) 3) My brother came home I was doing my homework. (while)
4) I was playing tennis, it started snowing. (while)
5) Dad was living in Sydney he met Mum. (when)
6) Sally was having lunch, her dad came home. (while)​