Cou cou, voici les réponses !!
1. I have been to the library today.
2. You have kept a pet for three years.
3. Have you eaten Thai food before?
4. Has it rained all day?
5. Who have we forgotten to invite?
6. We haven’t heard that song already.
7. He hasn’t forgotten his books
8. She has stolen all the chocolate!
9. Have I explained it well?
10. Who has he met recently?
11. How have we finished already?
12. He has studied Latin.
13. I have known him for three months.
Tout est juste, j’ai déjà eu le même exercice les années précédente, j’espère t’avoir aider