V. Put one suitable preposition in the blank of each sentence.
1. He'was poor, but he rent a mansion and set himself _____ as a millionaire.
2. We will definitely see you next week. We will be there _____ fail.
3. The same rule applies, irrespective _____ how much you have paid.
4. It was very good ______ Sue to drive us to the airport.
5. He went _____ his own accord. Nobody forced him to go.