英语高手帮帮忙Never before have science and technology been so rapidly developing as it is today...既然是have been done,为什么用developing呢?这样so rapidly develop,不可以吗

英语高手帮帮忙Never before have science and technology been so rapidly developing as it is today...既然是have been done,为什么用developing呢?这样so rapidly develop,不可以吗 英语高手帮忙分析个句子There’s nothing like trying food that you really never have anything like before 请英语高手帮帮忙~~~~(>_ 英语翻译英语高手来帮帮忙```` 请教英语高手<ever,just,already,never,yet,for,since>大神们帮帮忙<ever,just,already,never,yet,for,since>在现在完成时都是什么意思 ,怎么区别,怎么用.请你说的英语英语句子也翻译下 翻译一句英语：This had never happened before . 英语现在完成时never before的用法already,ever,just,yet,before,never改疑问句和否定句应该怎么改, He's never lost a book before(改反意疑问句) He's never lost a book before,___ ___ ?帮帮忙、谢啦 Like Never Before 歌词 Never Before 歌词 AS NEVER BEFORE翻译 求英语高手帮忙改倒装句……1.He had never before seen a technically accurate drawing of the building.(用Never before改）2.The housewife made her accusation and then the police took up her case.（用only after改）3.It is seldom possi 八下英语时态练习（高手进!）下列标志是什么时态的标志?1..at 7 o'clock yesterday.2.just,already,ever,never.at that time.yet,before,so far,far,since.When he came in.While. 求英语高手（俚语?）never ride in shine 希望我们永不提分手 翻译成英语英语高手 大哥大姐们 帮帮忙啊~!Hope that we never mentioned breaking up Hope we will never say goodbye to each otherwish us get together forever. wish us never say goodbye也行这三句哪个更 英语连词成句 I,before,ate,that,so,eaten,many,never,t英语连词成句 I,before,ate,that,so,eaten,many,never,things,had,I 求英语高手:I will never 与I would never的区别 高手赐教,英语翻译The otherwise clean-cut,proper businessman had never before considered so much as getting an ear pierced.