Bonjour je n'arrive pas a faire cette exercice es ce que quelqu'un pourrait m'aider s'il vous plaît

EXERCICES PRETERIT SIMPLE / PRETERIT BE+ING
1- When the attack started, Jack.....
..... a cup of coffee
2- He........... .....also........ out of the window
3- Jessica knew everything because she....... television
4- While Jack.......down, the firefighters.......up.
5- Just as he............. his wife on the mobile the second tower collapsed.​