Here are the best responses:
9. 1. Is there a problem?
2. What seems to be the trouble?
3. Why did you stop me?
4. Did I do something wrong?
10. 1. I saw you using your phone
2. You were talking on the phone
3. You broke the traffic law
4. You were speeding
11. 1. I understand
2. You're right
3. I apologize
4. But I had an emergency
12. 1. Please let me go this time
2. Can I explain the situation?
3. I have to go now
4. I must leave immediately