l have to Study hard (一般疑问句)

l have to Study hard (一般疑问句) You have to study hard to i____ your English. how to study hard? How to study hard? l study hard and study well中文 They have to study hard对画线部分提问画线study hard（） （） （） （） to do I have to study hard.I don't like geography.I must be study harder I have a hard time _____ English now.填study还是to study? i hard to study english I need to study hard 对 study hard 提问 I am not good at English I have to study hard to i-------- it teacher have to push him to study homework wirker hard it 该怎样回答 for ...so l have to hard.求翻译 for ...so l have to hard.求翻译 we have to study hard if we want to get good grades.对study hard 提问 what（）we（）（）do if wewant to get good grades? l have't ever seen writen note for ages.l'm have so many fear about pressing the key.maybe l want to forget and abandon something with the nasty .l felt pressure and need to study hard in future.some pretty thing wait to found out by l .now l can do I think it important to study hard和l think it is important to study hard哪个句子是对的?为什么? I think it important to study hard和l think it is important to study hard哪个句子是对的?为什么?