－Do you know the man who         photos over there?
－Yes. He is Li Lei.

— Do you know the man       sunglasses?— Yes. He’s Tony’s dad. 

—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 under the tree?

--Sorry, I don’t know _______.

—Do you know the man wearing a pair of glasses?
—Yes. He’s a teacher of ________. He teaches ________ History.