_____ your timely advice,I would never have known how to go about the work.

Aleading___________intelligenceandoperationscompanyhasreleaseditsanalysisofworldwidereportedincidentsofpiracyandcrimeagainstmariners.

_____ their help, we would not have succeeded.

Even as a girl, _____ to be her life, and theater audiences were to be her teachers.

_____enough time and money, the researchers would have been able to discover more in this field.