this

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

"The teacher was referring to the homework assignment when she said it was due tomorrow. "

"The noisy environment of the school cafeteria made it difficult to concentrate on my homework. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"This flow chart represents the assignment of tasks in our committee."

"He programmed the DVR to record his favorite show."

"Deaf and mute people communicate using languages like ASL."

"After the job interview, I waited for the hiring manager's recommendations about who should be hired. "

"The guard blew his whistle to indicate imminent departure."

"The guard blew his whistle to indicate imminent departure."

"to enter an agreement;  the UK and US negotiators nearing agreement;  he nodded his agreement."

"We challenged the boys next door to a game of football."