I study hard, but I am still not good ai math.同义句

Although math diffcult,but I study hard But now,I will study hard to realize my dream. I will study more hard i hard to study english I want to study better.What should I do?But I do not want to study hard at all! I study hard,but I am still not good at math(改为同义句） Although I study hard,( ) I often fail the exam.A:but B:or C:and D:／ I study hard, but I am still not good ai math.同义句 I need to study hard 对 study hard 提问 I quit...I'll study hard.I quit...I'll study hard.我大脑迟钝... I can promise you,but you need to study hard中文 but i have to study I should study hard in future I will study hard from now on. Ithing I must study hard firstxi是什么 I think study hard is happiness改错 I try________(study)hard this term. I wish you to study hard .