_________ its low cost, the appeal of iron as a building material layin its strength, its resistance to fire, and its potential to span vastareas.
Jane is one of the best students in her class who _____by their teacher.
Those who ____ in ____compositions, please hand them in this afternoon.
Three-fourths of the homework _____today.
He is the only one of the students who _____elected.
Many a man _____ come to help us.