The computer system________suddenly while he was searching for information on the Internet.
Never before _______ so highly successful in his attempts to forecast the weather accurately on a small scale.
–I’m sorry. I’ve left my wallet home. So I don’t have enough cash for the meal.-- Take it easy. _________ .
Many experts believe that teachers’ development is ______ the key to better education lies.
My money _________. I must go to the bank to draw some of my savings out before I have _______ in hand.
She had no idea how it ______ that her husband met with trouble again.