请问What's that all about?all about 是一个词组,还是all 修饰about的?

请问What's that all about?all about 是一个词组,还是all 修饰about的? that's all what i that's all right what's up ‘THAT’S WHAT ITS ALL ABOUT‘是什么意思? Excitement: that's what learning is all about. 请问这个句子的结构是什么? 请问英语中that's right ;that's all right ;that's all有什么区别? That's what it's all about .汉语意思是什么? That's What It's All About 歌词 That must be what it's all about.中文翻译 Excitement:that's what learning is all about. That's all ___ I told youAthat B what Cwhich That's all That's that's __i wanted to sayall what what all allwhat that 1.he has told she said was wrong.2.he's been told she said was wrong.选项A.allthat B.that C.what D.all that what E.that all what F.all that all that G.all what that H.that all that all I.that all that为不定项选择题.麻烦把所有选项的 That's all I know.和That's what I know.的区别 请问：That's deal What's the rush? what's all the Thats all night