unchanged

"After the field trip, only a few students remained in the classroom. "

"The reverse of a failing grade is a passing grade. "

"The software update offered a new layout, but I preferred the original, so I unchanging it back to the familiar version. "

"After the party, only a few close friends remained to help clean up. "

"The tadpole changed into a frog.   Stock prices are constantly changing."

"The constant noise from the construction site made it hard to concentrate on my homework. "

"My daughter's teacher is very kind and helpful. "

"The weather forecast for today predicts rain and strong winds, so I should bring an umbrella to school. "

"The crowd scattered in terror."

"This manuscript is the original."

"After the chef tried adding too much salt, he was reverting the recipe to its original form by removing the excess. "

"The artist altered the design of the school's new logo. "