We never know( )he is,They say he is a doctor

We never know( )he is,They say he is a doctor We never know ( ) the old man is--They say he is a teacher we have no idea _____ he is.----they say he is a policeman? he is a doctor ()is he?He is a doctor I don't know his job.he is a doctor he is a doctor.what is he?i don't know what he is?/i don't k they gave her a clock.people know that he is very rich.we kn What___your brother____?He is a doctor. He is a doctor.同义句 yes,he is a doctor怎样提问 he is a [doctor]题问