你来自哪里可以说Where are you from？或Where do you come from?
回答是I'm from...或I come from...
例句1
——Where are you from？
——I'm from China.
例句2
——Where are you come from？
——I come from England.
例句3
——Which country are you from？
——Italy.
例句4
——Which city are you from？
——Shanghai.