a. Librarian
b. Security
c. Teacher
d. Headmaster
2. He sweep the school's yard everyday. He is a..
3. My brother has got toothache. He must go to the..
4. A man design a building. He is an..
1. I work at the library. I am a…
1. A. Librarian
2. school janitor
3. Dentist
4. Builder
_____________
Sorry if it's wrong