Complete the sentences with when or while 1) she was eating an apple ... she bit her tongue.
2) we were driving in the car ... we saw Robin on his bike.
3) ... i was paying for the T-shirt, i realised i didn't have any money.
4) olivia was having dinner ... the phone rang.
5) ... i was walking into town, i saw i had different socks on.
1) when
2) when
3) while
4) when
5) while