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Je ne pourrais pas t'écrire ton texte en entier mais je peux t'aider pour quelques phrases..
At summer 2012, I have gone in U.S.A for three weeks, this is the most beautiful continent where i went.
Over there, I saw kristen stewart and I took a picture with her, this is a magic moment.
I viseted the "(le grand canyon)"
I have gone to shooping, there are the biggest stores I've ever seen
And I eat a big burger ..