Lotus chinese dance: opinions

Hello everyine. I would like to ask what is your opinion about the Lotus Dance. I really like it, and I thinking learn it :)

 

https://www.youtube.com/watch?v=uQp5m-NUrhE

 

is this sentence correct? 女孩子小时候 和爸爸愿意比较在一起.

order the sentence 以后 结婚 都没 从来 你过 做 饭，洗 衣服 过 Can anyone help me order thi sentence.

chinese grammar "了" Who can explain me the use of "了"

Presentation in korean 안녕ㅗㅔㅐㅑ하세요. (Hello) 리리ㅏ입니다. 열여덟살이에요. 학생이에요.(I'm Lilia. I'm 18 years old. I'm a student.) 내년 대학교 에 갑니다. (In one year I will go to the university.) 한국말 공부합니다. 한국말 재미잇ㅅ어요. (I'm learning korean. Korean is interesting.) Well, for now it's what i can say. I don't sure if it's right, so i would be glad to know any mistakes from you. 감사합니다. :)

Which one of this countries is better to live? China, Japan or Korea?

Hello! I'm a future student of eastern languages, and when my major finish i have to choose one of these countries to go work. So i would like to know wich one is better :)

Japan is a good place to live?

I'm thinking in going live and work to Japan, and i would like to know if anyone can tell me how is living there :)