Her behavior testified to her incompetence.
prove a will.
She proved to be right.
She turned up HIV positive.
Test this recipe.
The blood test showed that he was the father.
the dough rose slowly in the warm room.
The experiment demonstrated the instability of the compound.
The mathematician showed the validity of the conjecture.
The medicine turned out to save her life.
This approach has been tried with good results.
unleavened bread.