Where do you think he comes from与Do you think where he comes

Where do you think he comes from?(do you think 是插入语,what引导的特殊疑问句）
Do you think where he comes from?是一个错误的语法!意思就表达不通.Do you know where he comes from?这还差不多.而且告诉你吧Do you think 做插入语时,后面必须用陈述语序.本来是Where do you think does he come from?有了do you think 就应为Where do you think he comes from?.

第二个句子是宾语从句 第一个句子中的 是插入语

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Where do you think he comes from? (do you think 是插入语，what引导的特殊疑问句）

Do you think where he comes from? (where he comes from是个宾语从句)

两句话的意思是一样的，但是回答不同，Do you think w...

Where do you think he comes from? (do you think 是插入语)
Do you think where he comes from? (where he comes from是个宾语从句)
意思一样的

Where do you think he comes from是一个特殊疑问句
Do you think where he comes from是一个一般疑问句，回答用yes ,i do ./No,i don't