1) does / do / Dr. Campbell / what / ?
What does Dr. Campbell do?
2) what / does / study / he / ?
What does he study?
3) he / work / where / does / ?
Where does he work?
4) have / does / office / an / he / ?
Does he have an office?
5) languages / he / what / does / speak / ?
What languages does he speak?
