--Sorry．I have taken your book by mistake．

--_________

A．That's right         B．Not at all           C．All right           D．Never mind

---Where is my pen?

---Oh, sorry．I have taken ________ by mistake．

1. A.
   yours
2. B.
   his
3. C.
   mine
4. D.
   hers

—Where is my pen? Have you seen _______ ?

—Oh．sorry．I have taken _______ by mistake．

A．it；yours               B．them；his              C．it；mine             D．them；hers

—Where is my pen?

—Oh, sorry, I have taken________ by mistake.

　 A. yours　　　　 B. mine　　　　 　 C. hers　　　　　 D. his

— Where is my pen ?  Have you seen ____?
— Oh, sorry.  I have taken ____ by mistake.