where do you go? or where are you going?
what difference between where do you go? or where are you going?

Question

Answer

Study the difference in use and meaning between the simple present and the present continuous.  https://www.ego4u.com/en/cram-up/grammar/simpre-prepro

Use the simple present for routines, habits, and facts.
Use the present continuous for things happening now, future plans, and temporary situations.

Answer

"Where do you go?" is a complete sentence.  However, it is out of context.

Answer

Where do you go is not really a complete question. An example would be  Where do you go to buy shoes?  I go to the mall to buy shoes  or Where do you go to buy bus ticket? you go to the bus station to buy a bus ticket.    Where are you going is a complete question. An example  Where are you going? I am going to the mall.   or    where are you going?  I am going to France

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