—Do you have fun ________ here? 

—Yes,  I do.  It makes me very ________. 

A. study;  happy                            B. studying;  unhappy

C. to study;  unhappy                   D. studying;  happy

---Do you have fun ________ here? 
---Yes,  I do.  It makes me very ________

1. A.
   study; happy
2. B.
   studying; unhappy
3. C.
   to study; unhappy
4. D.
   studying; happy

---Do you have fun ______ here?

---Yes,  I do.  It makes me very ______.

1. A.
   study; happy
2. B.
   studying; unhappy
3. C.
   to study; unhappy
4. D.
   studying; happy