Question

---Is ______ book on the desk?

---No, it's ______ the sofa．

1. A.
   your, on
2. B.
   you, in
3. C.
   my, of
4. D.
   my, for

Answer 1

A
形容词性物主代词修饰名词，依句意，在沙发上用on the sofa．