Do you know the man _________ ?

[　　]

Do you know the man _________ ?

[　　]

Do you know the man　________　is sitting behind Nancy?

　　A. what　　B. which　　C. who　　D. whom

—Do you know the man         was talking to our English teacher?

   —Yes. It’s Mr Baker, our maths teacher.

A. he　          B. which　          C. whom　       D. who

—Do you know the man         was talking to our English teacher?

   —Yes. It’s Mr Baker, our maths teacher.

A. he　          B. which　          C. whom　       D. who