earbuds

"The zookeeper carefully separated the mature gorillas from the immature in the enclosure to prevent conflict. "

"The doctor ordered more tests to check for any abnormalities in the blood sample. "

"To explain a chapter of the Bible."

"The students designed posters for the school fair. "

"I used an earphone to listen to music on the bus. "

"The muscles in my left arm underdeveloped after the accident, so I had to do physical therapy. "

"My brother has a genetic predisposition to being a good athlete. "

"The farmer planted seeds in the cornfield last spring. "

"The zoo has a wide variety of mammalian species, from tiny bats to massive elephants. "

"After many frustrating attempts, he eventually finished his school project. "

"The construction crew set up a portable classroom for the summer school program. "

"The teacher pointed to the map to show the students where the capital city was located. "