Prepositional phrases. Choose the correct preposition.

1. The elevator was out _____ order.

2. He is _____ a diet.

3. I will be with you _____ a moment.

4. You need to have your documents _____ hand.

5. It took me _____ surprise.

6. They left town _____ anticipation of the political crisis.

7. The old barn was _____ flames.

8. She transferred me money _____ mistake.

9. He donated the money _____ a good cause.

10. It is prohibited _____ law.