Read the rule and choose the correct options

When one event is more important than the other in the past, we can use [past continuous| past simple] to emphasise the main event. We can use [ past continuous|past simple] for the background event (the less important one):

I was listening to the music [the background event] when my sister phoned [the main event].

He was sitting in the park [the background event] and suddenly a dog ran towards him [the main event].

1. He [called|was calling] her once while she [took|was taking] a shower.
2. I [wanted|was wanting] to tell her the truth, but she [didn't listen|wasn't listening ] to me.
3. As I [went|was going] to the library, I [saw|was seeing] a man who fainted on the street.
4. The neighbours [came|were coming] to our house while we [listened|were listening] to rock music.
5. Tom [woke|was waking] up when it [snowed|was snowing].