Translating this sentence to Japanese-
I went with my family to America in the July holidays. We went to Disneyland. We rode a big roller coaster, and we met Mickey Mouse.
Watashi wa 7 tsuki no kyūka ni kazoku to issho ni Amerika ni ikimash ita. Dizunīrando ni ikimash ita. Ōkina jettokōsutā ni notte, mikkīmausu ni aimash ita.