leftover

"After the field trip, only a few students remained in the classroom. "

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

"The school's chief concern, chiefly its declining enrollment, was discussed at the meeting. "

"Except for one or two days a year, he usually walks to work."

"We ate the leftovers from dinner for lunch the next day. "

"The car's broken-down behind the school. "

"supply and demand"

"My son ate part of his cake and I ate the remainder."

"The plural of "cat" is "cats." "

"The complete survey was handed in to the teacher. "

"The teacher's reserve about showing favoritism to certain students ensured fairness in the classroom. "

"The excess of heavy water was given away to the neighbouring country."