Could just leave it on his desk but he might not come up here.

I put the picture back in the envelope and left it on my desk.

"Did you find the two requests I left on your desk?"

I found the others you left on my desk; they're pretty routine.

He flipped through the file she had left on his desk.

"Leave the numbers on my desk and I'll get started tomorrow."

We know you left the papers on your desk and went to open the door.

She writes a love letter to him and leaves it on his desk.

"He didn't leave any message for you on his desk?"

If anyone phones, could you take a message for me, and leave it on my desk?