Past Simple or Past Continuous?

When we _____ (to be) in Canada, we _____ (go) skiing almost every day.

About four years ago, I _____ (to decide) to become a chef.

Georgia _____ (to have) a shower when someone _____ (to knock) at the door.

At 12 o'clock last night I _____ (to read) a book.

Two men _____ (to argue) outside, so I _____ (to go) to see what was happening.

Daniel _____ (to call) you at one o'clock yesterday, but you _____ (to be) here with me.

We _____ (to eat) breakfast when a letter _____ (to come) through the letter box.

Jane _____ (to cook) while I _____ (to lay) the table.

I _____ (to dream) about my favourite band when the alarm clock _____ (to go) off.

While I _____ (to practise) the trumpet late last night, my neighbour _____ (to come) to complain.