I think you _____ study more if you want to pass the exam. Right now, you're not doing enough.
should, ought to
Sorry, I'm broke so I can't lend you any money. You ___ borrow the money from someone else.
must / have to
You tell ____ anyone what I just told you. It's a secret and Anna will kill me if she finds out!
mustn't
Mrs Park can't see well, so she ___ wear glasses when she wants to drive a car.
must / has to
You ____ drive a car! You're only thirteen!
mustn't
You ____ go there! It's dangerous at this time of year. You might die!
mustn't
The museum is free, so you ____ pay to get in. But you can give them some donation if you like the place.
don't have to
When a teacher gives you a homework, you ___ do it. It's in the school rules!
must / have to
If you want to know my opinion, you ____ return the dress. It doesn't look good on you.
should, ought to
You .................start to study the History lesson because the exam is the next week.
should, ought to
Oh no! I think I broke Peter's bike! What ____ I tell him?
should, ought to
Well, my sister isn't working tomorrow, so she ____ get up early.
doesn't have to
We are on a plane!! You ____ smoke here! Are you crazy?!
mustn't