How can I insist on down <em>(** what do you mean??)</em>

<em>** How can I insist on changing my subject of study?</em>

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Since afterwards I decided to take part in the exam after，every day i insist on reading book (a book / the book / books). Because I don’t want to (only / just) have a specialized subject degree，I want to have an undergraduate course degree. And I want to (learn / study) the law ，but now my college major is in Accounting . To be honest, I don‘t like this course. At the beginning my parents let me learned，so i (learned / studied) Accounting，but now i want to follow my mind. I really can Can I really hold on to it？