1 The police are inquiring into the cause of the murder.
2 We inquired of him about those matters.
3 One should not jump for the first job offer.
4. Never jump to hasty conclusions.
5. He is an honest man, he lives by honest work.
6. Some birds live on insects.
7. He is forgetful, but not negligent in his work.
8. She was negligent towards her duties.
9. The poor farmers were supplied with food grains.
Are the underlined prepositions correct?