Bonjour qqn peut m'aider a mettre ses phrases dans l'ordre svp?

Réponse:

1-Where did you go on holiday ?

2-Why he was so upset ?

3-When did you arrive ?

4-Did they drink water from the fountain ?

5-Did you watch the film last night ?

6-Which they did stay in the hotel ?

7-They were really disappointed?

j'ai pas trouver la 8