try to study hard 和 try studying hard 有什么区别?

try to study hard 和 try studying hard 有什么区别? 英语please try yuor best to study hard 怎么翻译? He must_(try)his best to study hard at English try hard to RT how to study hard? How to study hard? Study hard and try your best to ___ a key school,Tim.(entrance) I try to study well i hard to study english The boy try to study hard at english last term.（出句子中错误的一项并改正） The student try very hard to improve their study改成同意句是不是把miprove 改成 make? I need to study hard 对 study hard 提问 ask us to study hard 和 ask us studying hard 的区别 I will study hard to try to better than you because i want to confess my feelings to you before year I try so hard not to notice. our,duty,hard,try,best,our,is,teachers,with,study,our,help,of,the,to,to,it(连词成句） l have to Study hard (一般疑问句) It's hard to study English.