1. He spends most of the day sitting AT THE WINDOW… and looking outside.
2. The leaves ON… that tree are beautiful colour.
3. One of the strings ON… my rubab is broken.
4. The man the police are looking for has a scar…ON his right cheek.
5. I like that CV filled in accurately ON… the manager's table.
6. I wouldn't like an office job. I couldn't spend the whole day sitting...AT a desk. ats.
7. If you come here by bus, get off…AT the stop after the traffic lights.