1. He is afflicted ________ a serious ailment.

2. We must provide facilities ________ recreation.

3. We must guard ________ antisocial elements exploiting the students.

4. Is it possible to achieve just about everything one aims ________?

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

6. She insisted ________ my leaving the room.

7. It occurred ________ me that we should seek his opinion.

8. Eventually she complied ________ my requests.

9. There is no cure ________ AIDS yet.

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