1. Don’t brood ________ your past failures.

2. Eventually she complied ________ my requests.

3. He was deaf ________ all our requests.

4. He is afflicted ________ a serious ailment.

5. During the cold war era, the US and the USSR were competing ________ each other for world domination.

6. He has great regard ________ his parents and elders.

7. You must apologize ________ him for your rude behaviour.

8. We decided to call ________ on the principal.

9. She instantly jumped ________ the conclusion that I was against her plans.

10. We all look ________ him for help and guidance.