in three days什么时候是三天之内,什么时候是三天之后

in three days什么时候是三天之内,什么时候是三天之后 in three days是三天后,可以表示三天里吗,什么时候表示三天里什么时候表示三天后 in three dayS 是三天前还是三天后 three days later 的意思和用法、 与 in three days 的区别.three days ago 是三天前? in three days 和for three days区别 意思的区别.用法区别.是在三天还是三天后还是已经三天了 - 是every three day还是every three days(每三天) It's impossible for us to finish the work in three days.我们在三天之内完成这样工作是不可能的.这句话有没有错.什么时候用to do不定式?这句话有错吗? in three 是三天内,还是三天之后?或是接下来的三天这道题应该怎么做?He---------- in three days.A coming backB came backC will come backD is going to coming in three days within three days 都是表示在三天期间的意思吗?不定某一天 every three days 是表示每隔三天还是每三天一次（也就是没隔两天） (in) these three days 加不加in记得是 these days ,these 前面 应该不用加 in,那么：(in) these three days .加不加 in ,days 前面加上了具体的数词.比如 翻译一个句子：【 我这三天,特别的忙.】怎么翻译合适.2 The day three days before is Friday the day是星期几?three days before 是“三天前”还是“隔三天”？the day不是 Friday I will come back in three days.翻译成我三天后回来?为什么?如果是,三天内回来怎么翻译? During the past three days.是个什么时间概念?原文：During the past three days,I have visited many places of interest around Sydney.有个问题是：How long has the writer stayed in Sydney?A.three days B.four days在过去的三天里,那 I have a ____(三天）holiday.应该添什么?标准答案是three-day.可以是three days`么; 为什么three days不对?不是有have a three days off这个短语么.我完全混了 in three days' time是将来时还是过去时? in three days与three days later的用法 three days later和in three days 有什么区别?