wrong

"He gave an incorrect answer to a simple question."

"Here are a few options, focusing on clarity and common usage: * The student's homework assignment was unfinished, so they got a lower grade. * My book is unfinished, I have a few more pages to write. "

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

"The unequal grading system in the school created a sense of injustice among the students. "

"John received a warning for his first parking infraction – parking too close to the fire hydrant. "

"I lost a few marks in the test for spelling words incorrectly."

"The teacher was reprimanded for depriving students of recess time. "

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"The wrongdoer was punished for stealing the school's valuable computer. "

"The vending machine is dispensing soda and snacks. "

"The possessive case of the word "student" is "student's". "

"That movie is unsuitable for young children because of the violence. "