dynamics

"His two-fingered gesture emphasized what he had told his boss to do with his job."

"He is a student of life."

"The children were excited to go to their classroom in the morning. "

"He arrived home for two days."

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

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

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

"The upcoming election concerns the future of our city. "

"All he had to show for four years of attendance at college was a framed piece of paper."

"The physics teacher explained the mechanics of how a seesaw works. "

"The effect of the hurricane was a devastated landscape."

"The children collected colorful objects from the beach, like seashells and smooth stones. "