retaliated

"The passenger sustained a severe injury in the car accident."

"Wear a hat to protect your skin from harmful sunlight."

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

"He hides his magazines under the bed."

"The classroom controller made sure everyone stayed quiet during the lesson. "

"Indifference is the sweetest revenge."

"Such behavior is an affront to society."

"Her kind act deserved some form of requital, so I sent her a thank-you note and a small gift. "

"My favorite book is the one about space exploration. "

"The teacher's negative on the project proposal meant we had to revise it completely. "

"My brother and I both attend the same high school. "

"The teacher praised the student's quick respond to the question. "