Потому что космические отели буду далеко в будущем , а "to be going to " мы употребляем хотя бы , если действие совершится в этом году . И Future Simple Tense как раз к космическим отелям , это ж будет примерно в 2234
My plans are very big. Probably I will become doctor, it’s very interesting profession. In the future I’m going to start working, I want to have big, good, kind family. My father and mother believe that I’ll become smarter than now, and probably I become a teacher. In my opinion, we must try everything, we mustn’t go down, we must believe in ourselves, and if you try and believe, you’ll become everyone who you want. In the future I also want to travel abroad, it’s very exciting and interesting. I want to travel on a ship, in the voyage. I really believe that my future will be amazing
My plans are very big. Probably I will become doctor, it’s very interesting profession. In the future I’m going to start working, I want to have big, good, kind family. My father and mother believe that I’ll become smarter than now, and probably I become a teacher. In my opinion, we must try everything, we mustn’t go down, we must believe in ourselves, and if you try and believe, you’ll become everyone who you want. In the future I also want to travel abroad, it’s very exciting and interesting. I want to travel on a ship, in the voyage. I really believe that my future will be amazing