Is your friends Chinese 中哪里错了

Is your friends Chinese 中哪里错了 Her family is Chinese.Here your watch is.哪里错了? What's is your phone number中哪里错了 As far as I know it,your Chinese is good enough.请问这句话哪里错了,为什 That is a chinese car 哪里错了 Mr jiang is not an Chinese teacher?哪里错了? Where is your school?哪里错了? what is your question哪里错了 How does your friends go to school?中哪里错误 is that your pen? NO,it is. 哪里错了? Is this your ring?-Yes,this is.哪里错了? Is this your brother?Yse,he is.哪里错了