swap

"The financial situation at home has improved since my uncle started his new job. "

"The hummingbird hovered near the feeder, its wings a blur. "

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

"The wind blew the door shut violently, making everyone jump. "

"The new student's performance was a comparable achievement to the top students. "

"The hummingbird hovered by the plant."

"During the crackdown, many opponents of the regime were arrested."

"The hospital volunteer group functions as an important auxiliary to the nursing staff. "

"This musical piece is a derivative of a popular folk song. "

"to sweep a floor, the street, or a chimney"

"We have an available candidate."

"All in all, it was an even exchange."