This seems a very cruel fate for an innocent, harmless sheet of paper.
"Can you use cruel in a sentence?" is a sentence, so yes, unless you mean something else?
Being cruel is not an innate condition.
Here are some sentences.It is cruel to make fun of someone.Don't be cruel to her.
In the 1960's people were very cruel to blacks,
The citizens were oppressed by their cruel dictator.
Do not be cruel to animals.Why are you so cruel to me?Her actions were very cruel.
"Vivisection is a cruel way of testing drugs on animals."
Why are you so cruel to me?That was a very cruel thing to do.
Infidelity is rampant among the selfish, cruel leaders.
Genghis Khan was notoriously cruel.
Don't be cruel to a heart that's true.
In a final act of lowly cowardice, the cruel dictator took his own life.