When did you go to London?
or Where did you go yesterday?
Réponse: I went to london yesterday.
With who were you?
Réponse: My sister was with me and we had a lot of fun.
Why didn't you visit the British Museum?
Réponse: We didn't visit the british museum because it was closed.
How long did you stay in London?
Réponse: We stayed three days.
When did you come back home?
Réponse: we came back home on monday.