Réponse :
bonjour
le 1er exercice je dois avoir plus d'infos
2)1. I was doing my homework when Peter arrived.
2. When we were going to the disco, we saw a car accident.
3. When they were sleeping, they heard a big noise.
4. My brother was emptying the dishwasher when he broke a glass.
5. My father was hoovering the house when my mom came back home.
6. The hamster was eating when the cat jumped onto the cage.
