一I'm afraid I have to leave now, for you see, he is waiting for me. ----Well, if you_ , at least wait till the heavy rain stops.
He spoke for quite a long time, but he threw no _________ on themain point.
I have many friends, some _________ are businessmen.
_________ its low cost, the appeal of iron as a building material layin its strength, its resistance to fire, and its potential to span vastareas.
Your story has little the facts.
The problem will _________ unsettled until the director comes backfrom abroad.