Adjective + preposition. Mark the correct preposition.

1. I’m certain _____ what I heard.

2. She is serious _____ quitting her job.

3. I’m curious _____ what happened.

4. He is attached _____ his father.

5. Don’t be cruel _____ animals.

6. She is disappointed _____ me.

7. She is generous _____ her friends.

8. Be polite _____ everybody.

9. He was rude _____ her.

10. He is capable _____ many things.