If _____, we will meet at half past seven tomorrow evening to discuss the matter. [ ]

If the motorbike driver had slowed down when he turned, the accident could have been _____．

It never occurred to me_____ she could complete the task in such a short time.

Jack won the first prize in the computercompetition. Two years of hard work and patience _______ in the end.

Mary ____ be in Paris . I saw her a few minutes ago .