He would be back at a desk for the next five years.
Looked to me like you'd been sitting at a desk.
The older man sat down at a desk and began to read from a book, a very old one.
He sat at a desk in a room set up as an office.
With the rest of the building dark around him, a man worked alone at a desk.
She sat at a desk but seemed to have little work to do.
The man in the house was at a desk, writing.
He was an action kind of guy who'd been working at a desk too long.
No, his job had always been at a desk, looking over important information.
More often than not, he would probably be at his desk, reading instead.