til it's gone（布兰妮）是什么风格呢?（类似的歌是什么风格的,pop?）

til it's gone（布兰妮）是什么风格呢?（类似的歌是什么风格的,pop?） But it’s gone.其中gone是过去分词吗?小点缩写的什么? What's gone,It's never comingback. it's gone,这里的it‘s是it has 还是it is?it's gone 12已经过了12点,这里的it‘s是it has 还是it is?雅思听力里的 it’s gone为什么不用it have gone用it has gone I'm going to milk it ‘til it turns to cheese是啥意思? its gone,whoever,whatever是什么意思 where's it gone是什么的缩写?请问,where's it gone是where has ...的缩写还是where is的缩写? ou habite-t-il中间的e发音吗?是/abit-til/ 还是/abite（恶）-til/? meaning:what's gone is gone.It's no use talking about it any more. 一个英语常用语语法问题A few hours left 'til the sun's gonna rise left 'til 是什么用法?gonna是什么用法.我记得还有个wanna也很常见,它们是同一种用法吗?这是一种语法吗?还有make it it's a dream that's gone too far What's gone,It's never coming back. It'S Too Late (She'S Gone) 歌词 Alice's second-hand computer____ wrong although she used it only once.A.went B.is going C.has gone D.had gone可我觉得是A, There's something gone,it always comes back,but there's something else,it's gone,and never back It's gone with the wind.如题 还有it's gone,为什么这么表达?