monaural

"He seems to be ill.   Her eyes seem blue.   It seems like it is going to rain later.   How did she seem to you?"

"My grandfather played a single of Elvis Presley at the family gathering. "

"They played long and hard."

"The presentation had five key points. "

"My radio broadcasts the latest news during my morning commute. "

"The experience affected me deeply."

"My grandmother's deafness made it difficult for her to follow the conversations at family gatherings. "

"The students designed posters for the school fair. "

"The old radio only played music in monophonic sound, so everything sounded like it was coming from one direction. "

"Please relate the circumstances of your journey here today."

"The music playing softly in the classroom helped students focus on their work. "

"He was safe and sound."