He wore a pair of blue pants to the party.
She bought a new pair of pants for the party.
Participants are expected not to arrive late.
The program requires that participants attend all sessions.
Participants are required to keep phones silent at all times.
I intend to collect survey data from three hundred participants.
Participants are required to follow instructions during the process.
Well father, is the pant made for a thin man ever be fitting for a fat man or vice versa?