Please give me advice, I am in a very difficult situation. ?

I'm preparing for the university exams this year, but I don't have a chance of being successful because I haven't studied enough. My dream is to be a dentist. We don't get along with my father at all, we are always fighting physically or verbally. My father says if you don't go to university this year, I will send you away from home. I don't know what to do, I am not happy at home. i should do

Please give me advice, I am in a very difficult situation. ?
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