英语关于oncei known that Great Wall is very beautiful.but i havenever been there ——选项有before ago last year 和once 为什么选before而不选once,once不是有曾经的意思吗,before在这里也是曾经呀

英语关于oncei known that Great Wall is very beautiful.but i havenever been there ——选项有before ago last year 和once 为什么选before而不选once,once不是有曾经的意思吗,before在这里也是曾经呀 关于抄袭的英语作文在一百字左右开头以my opinion on copying others homework it is known to us all that some students copy others homework it is well known that may it be known that 英语 一道关于状语从句的题3 ____________the 2008 Olympic Games will be held in Beijing is not known yet.A.Whenever B.If C.Whether D.That 一个英语问题,关于only修饰状语第一道题 it was only when i got home late in the evening that ___ what had happened to my brother A.i knew B.i had known C.did i know D.had i known 这个是成都还是绵阳的二诊题,答案是选 这倒英语题He doesn't want ______ that he's going wayC.taht to be known D.it to be known这道题应该怎么考虑? 英语造句（高中）1.imagine doing sth2.be known for3.be known as4.it is abvious that.4.undertake sth5.under take to do sth it has long been known that It s____ that they have known it You should have known me at that As is known 还是It is known英语 英语一句话的理解问题 if you'd said that befor i'd have knownif you'd said that befor i'd have known 两个是不是、都是had it 's well known that 还是it 's well-known that it is known to all that 和as is known to all that 区别 英语高手请帮帮忙well-known什么意思啊 并以这个词造几个关于体育的句 it is well-known that,还是it is well known that到底是哪一个?well known和 well-known有什么区别？ 英语练习 (词形变化) Everyone knows 365 days _____ one year.(make) (单项选择) It is _____ that Hepburn was a talented actress and a great humanitarianA.well-known B.well known C.well know D.well knowing