i think [ ] hard to learn english well if we don't work hard.a.it b.that c.this 急

think it hard to do 和 i think it's hard to do 有什么区别 it hard to think i am sorry to heard them can you trying hard to think that I If I leave,can you trying hard to think that I once i think [ ] hard to learn english well if we don't work hard.a.it b.that c.this 急 I think it hard to learn English well if we don't work hard 中it的用法 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? 请问如何将'' I think it is hard to learn English well '改为否定句. 我认为金鱼很难照顾“用英语怎么说I think goldfish are hard to ? Is that true that it's hard to be a person?I don't think so! I think it hdrd to learn English.哪个是主语?hard I think it hard to fall asleep in night.请问it后为什么不加is. I think it hard to fall asleep in night.为什么it后面没有is It rained____(every hard)and I began to think of my next day outing. I can't find the answer to the question.Think hard ,and you can 什么 I think tomorrow will be better As long as you have to work hard啥意思. I think if you study hard,you'll be able to unkerstand any culeure.