that's what you are good at这里为什么要加what?类似的还有you are what you

that's what you are good at这里为什么要加what?类似的还有you are what you what are you good at what are you good at?怎么回答 You are good at what you love; you love what you are good what are you good at的否定句是what aren't you good at 还是what are 带有类似what a good student you are!How good you are!这类句子的歌, what subjects are you good at?why?what subjects What are you good at?的中文是什么 what are you talking about?为什么加的是are What are you say that? "you are what you what you were not good at is usually what you are not good