Réponse:
coucou
Explications:
Exercice 1:
She bringed a cake yesterday.
Did You meet my brother last weekend.
My parents didn't go to the country.
I missed you!
They payed video games.
Exercice 2:
Sorry, I dreaming.
Did you listen to me?
They didn't sleep.
I didn't talk to you.
We writed the lessons.
Exercice 3: Yes, they were.
No, she didn't.
Yes, he was late.
No, they weren't.