Réponse :
1.How long have you lived in London.
2.I worked here for six months.
3.He traveled around the world in nine onths in 2003.
4.She was a club member in 2003.
5.We haven't saw a lot of monuments because we only stayed there for a say.
6.John didn't had much luck in last year.
J'éspère avoir t'aider good luck :)