Réponse :
Exercise 1:
At 7 pm, on Saturday 13th, the Jacksons were at home, they were preparing dinner. Mark Jackson, who is twelve years old, was in his bedroom. He was surfing on (the) internet. Ms Janet Friar was in her garden, she was watering her flower beds.
Exercise 4:
At lunch break, Sue was taking a maths test when the teacher's phone rang.
On Sunday afternoon, Daniel was skating at the park when he loosed his keys.
Last Wednesday, Sue and Daniel were riding to school when they hit a police car.
Exercise 5:
When the teacher's phone rang, everyone in the class laughed.
When Daniel loosed his keys, he started to cry saying that he wouldn't be able to come home now.
When Sue and Daniel hit a police car, Sue hid in the chest, Daniel acted like he was a robot and the Policeman made them pay a contravention. So they arrived late at school.
Explications :
For the exercises 4 and 5 these are examples, you can make other ones
