1.my grand-mother was preparing dinner when the children got back from school
2.maria was reading a book while my mother was doing laundry
3.Dad was fixing his car when my uncle called
4.tom was skating while his friend broke his leg
5.it was raining when the wind started to blow
6.my brother was watching a film on tv when someone knocked at the door
7.grandma was making an apple pie when our neighbor came to us
8.the cats were playing when someone opened the door
