---- Where _______ my books?

---- Sorry, I don’t know.

A. is        B. am       C. are       D. be

--- Where _______ my books?

--- Sorry, I don’t know.

1. A.
   is
2. B.
   am
3. C.
   are
4. D.
   be

---- Where _______ my books?
---- Sorry, I don’t know.

— Could you tell me _____?

—Sorry, I don’t know.

A.where are my books　　 　 B. where my books are C. where can I find my books