No matter how carefully you plan your finances, no one can _____ when the unexpected will happen.
His sister left home in 1998, and _________ since then.
The policeman’s _________ traffic directions made all the drivers quite ___________.
The president is talking on ____ phone with astronauts in ____ space.
The chief editor demanded that the article _________ immediately.
He decided not to say anything at the meeting unless_________.