Исправьте предложения Everybody says that if we ( not/go ) to Australia for the Christmas, we ( miss ) a lot fun. Uncle

Everybody says that if we don\'t go to Australia for the Christmas, we will miss a lot fun. Uncle Andrew says that if you travel to Sidney by ship, it will take you about 4 weeks. If Rosie or Mum gets seasick, they will take some medicine. When I see Rosia, I will tell her more about our plans.