12. Policeman: Do you know that you...stop when the traffic lights are red? Driver : Sorry sir. I was so absentminded that I didn't pay attention to the traffic lights.Policeman : Well Sir, you'll have to pay a fine.
A. ought to
B. must
C. have to
D. should

13. Rangga: Excuse me, Sir. Is it the way to the head office?
Security: Yes, just go ahead. Make sure that you do not step on the grass. Rangga: Okay, thank you so much.
The underlined sentence expresses....
A. giving instruction
B. giving opinion
C. giving suggestion
D. giving prohibition

14. Jerry: Hello, Dad. I'm on the way to school and there's an accident. The motorcycle rider was wounded. What should I do?
Dad: Hello, son. You need to call the police now.
Jerry : OK, Dad. I'll do it right away.
The underlined expression is expressing....
A. gratitude
B. obligation
C. sympathy
D. happiness

15. Mona: Don't play the music too loud, Derry. It disturbs me.
Derry : Sorry, I don't mean it.
Mona : .....
Derry: O.K., no problem.
A. Clean it, please.
B. Please put it here.
C. Don't play outside.
D. Turn it down, please.​