Réponse:
2) didn't ou did not
1- I was in hurry, so I didn't take time to phone you.
2- Did you stay at school yesterday morning?
3- They didn't leave home because it was very cold outside.
4- Did he throw the ball?
5- We didn't try to go to France, last winter.
3)
1- You were at school yesterday, but your friend was not (wasn't) there. She was in the city center with her boyfriend.
2- Was Jennifer at home? No she was not at home.
3- Were your friends happy, yesterday?
