过去时的agoLong long ago=o_____upon a t_____;不久前：some t_____ago；不久前：a w____ago

过去时的agoLong long ago=o_____upon a t_____;不久前：some t_____ago；不久前：a w____ago a long time ago 的过去时 A long time ago 与 Long time agoLong time ago前必须加a吗?在句子中只用long time ago,不加a,符合语法吗? long before 和long ago的区别 long before和long long ago的区别是什么? Not that long ago.请问这里的ago是什么意思?上句是：That was a long time ago. long long ago与long time ago的区别它们的意思 Long Long Ago 歌词 long long ago Long.long.ago. long long ago a long time ago 、long long ago、once和once upon a time的区别 a long time ago 的同义词 分析一个简单的语法,一个句子The last time I saw the dawn was a long time ago.为什么用was而不是is?我的理解是is可以用来表示陈述状态,可以不用过去时. long ago and long before 的区别请详细讲解 ago last只能用于过去时吗 long long ago的中文歌词是什么?谁帮我翻译以下 Long,Long Ago Tell me the tales That to me were so dear,Long,long ago,Long,long ago; Sing me the songs I delighted to hear,Long,long ago,Long ago.Now you are come,All my grief is removed,Let 求long time later long time ago long time befor 的翻译