The electric power was off for three hours.

　　He took off the rope so his dog could run.

　　offensive

　　The government offensive began with an air attack.

　　The weapons included a new offensive missile that destroys radar centers.

　　offer

　　He offered to help her find her car.

　　Republican leaders made an offer to share power with the Democrats.

　　She got a job offer from a computer company in Texas.

　　office

　　Her office is on the fortieth floor of the new building.

　　He was elected to the office of Vice President.

　　officer

　　Her father is an army officer in Germany.

　　Two police officers were honored for saving the lives of five people.

　　official

　　She is an official of our church council.

　　Members of our local parents and teachers organization are electing an official to represent them at the state level.

　　She read about it in the official newspaper.

　　An official statement said the labor strike would begin at midnight.

　　often

　　How often do you see each other?

　　oil

　　Oil for heating homes costs a lot more this year.

　　The president says America must produce more of the oil it needs.

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