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Hi John,
Sorry, I didn't write earlier because I was very busy.
My holiday are very unlucky. I was in London and I visited tourist attraction. In the evening I was going to the swimming pool but I had an accident.
When I went to the swimming pool I splipped and sprained one's ankle. My brother help me and We were going to hospital.
I must to go back next week. I am very angry because I can't stay longer. Write back me soon.
Take care
XYZ

Hello, czy translator zawalil?

My holiday 'are' (zle slowo) very unlucky. I was in London and I visited (przedimek) tourist 'attraction' (l. mnoga). In the evening I 'was going' (zly czas) to the swimming pool but I had an accident.
When I went to the swimming pool I splipped and sprained 'one's' (nie, nie, nie, to byla 'twoja', to musisz napisac 'moja' a nie jakies tu 'one's') ankle. My brother 'help' (zly czas) me and We 'were going' (zly czas) to (przedimek) hospital.
I must 'to' (nbiepotr) go back next week. I am very angry because I can't stay longer (ale gdzie?) . Write back 'me' (niepotr) soon.