--What does your uncle do?

--He is a policeman．

-- ________dangerous job it is!

A．What a             B．What an            C．How          D．How a

 ---What does your uncle do?      ---He is         . Thieves don’t like him at all.

       A. a bus driver     B. an actor       C. a policeman     D. a bank clerk

－___________ is your father?

－ He is a __________.

A．Who, policeman                        B．What, teacher

C．What, my uncle                         D．Who, doctor