Four round shadows had blocked out all the light from the window.
But before I can begin the calculations, a shadow blocks the light.
Dawn found him still there and a shadow blocking the pale sun.
He was barreling out the door when a huge dark shadow blocked his path.
The Shadow could block the sending of the message.
He whirled around; a shadow blocked the doorway, moving toward him.
A shadow blocked it out as someone planted an eye against the viewing lens.
Familiar shadows blocked the sky, and then I was lost inside a surreal forest of legs.
The eerie green shadow moved and whirled, blocking her shots.
Shadows blocked the room solidly, comfortably, as though they were part of the furniture.