That's Mr.Smith,______?Yes,I am.怎么写反义疑问句?

That's Mr.Smith,______?Yes,I am.怎么写反义疑问句?
That's Mr.Smith,______?Yes,I am.怎么写反义疑问句?

That's Mr.Smith,______?Yes,I am.怎么写反义疑问句?
用isn't it.分开来看,is在反问句变成isn't,that在反问句变成it.

isn't it前肯后否

填isn't it， that 是指示代词，反义疑问句中要用it

That's Mr.Smith, _isn't it _____?