The snow began to pile up on the roads
If you don't clean your room, your clothes will pile up
Bills tend to pile up if you don't pay them promptly
The leaves started to pile up in the garden
We watched the dust pile up in the abandoned house
Don't let your work pile up; tackle it as it comes
He saw the debris pile up after the storm
The rocks began to pile up against the dam
Empty cans were starting to pile up in the recycling bin
Make sure your documents don't pile up on your desk
My work tasks are starting to pile up.
Mine too, I don't know where to start.
We should make a plan to tackle them.
Papers began to pile up on his desk
Papers started accumulating on his desk
His desk got covered with papers