We should never pretend to know what we don't know.属于复合句中什么种

We should never pretend to know what we don't know.属于复合句中什么种 We should never pretend to know what we don't know.句子结构如何划分? We don't know what to do.(改为复合句) We don"t know what we should do next We don't know what to do. We don't know what we should do next.改为同意句.We don't know___n we don't know how to do that.We don't know what makes us lau At first we don't know each other and at last we pretend we You idiot,what all don't know there to pretend什么意思 what,we,can,don't,learn,know What We Don't Know 歌词 we don't know what we should choose改为简单句