I do not think he knows Chinese history中的know为什么加s

I do not think he knows Chinese history中的know为什么加s I do not think she can learn about chinese history,_________ Do you Know Jackie Chen I think evetyone Knows h(),He is a p We know the boy—.He knows — about Chinese history.A .well,we I don't think he （是 know还是knows) I do not think he's paid for it,------------?A.do I B.has he she knows my name and i know hers为什么给her加s 英语翻译He knows （）（）about Chinese history you certainly do not know ,I think you when he came to tear i do not think he is right I do not know who is he? I do not know if he.