The computer system____suddently while he was searching for information on the Internet.

They didn’t know who it was that had ______ to the public when the president would set out for that country.   

 The old woman _____ the traffic lights and nearly knocked into a car.

Jane is a great dancer, and _______ above the others with her perfect performances.

—Who telephoned you just now?— don’t know. I was about to answer the phone when it ________.