revelation

"The student disclosed his notebook to show the teacher his homework. "

"My friend told me there was something in the box, but I didn't know what it was yet. "

"It surprises me that I owe twice as much as I thought I did."

"The last known manifestation of the ghost was over ten years ago."

"The magician was revealing his trick by showing how the disappearing box worked. "

"She was disclosing the clasps of her jewelry box, carefully opening it to reveal her necklaces. "

"The weather changed dramatically; it was sunny one moment and raining heavily the next. "

"The flickering TV fascinated the cat."

"Everyone in the class needs to bring their textbook to the first lecture. "

"Modern civilization is a product of industrialization and globalization."

"My classmates and I are working on a group project for science. "

"the performance of an undertaking or a duty"