pasteboard

"At the school fair, Maria exchanged her drawing for a bag of cookies. "

"The student council chose a representative to speak at the school assembly. "

"It is very important to give your daughter independence in her life so she learns from experience."

"The development of this story has been slow."

"The politician's promises to lower taxes seemed unsubstantial, lacking any real detail or plan. "

"deliver a captive from the prison"

"The organizers were happy to see so many attendees at the conference. "

"From the snippet I heard of their rehearsal, they sound pretty good."

"14, 21 and 70 are multiples of 7"

"In grammar class, we learned that "advice" is an uncountable noun, so we don't say "advices." "

"The family held a conference to discuss their summer vacation plans. "

"to allow a servant his liberty;  to allow a free passage;  to allow one day for rest"