It is against the rules to smoke in here. You ...... do it!
mustn't
must / have to
don't have to
Captain America ...... fail his most important mission.
doesn't have to
must / has to
mustn't
You ...... help me now. Mum helped me this morning.
mustn't
must
don't have to
If you have an important exam tomorrow, you ...... go to bed late!
don't have to
shouldn't
must
I ...... study this weekend. It's my obligation as a student.
must / have to
should
mustn't
If Tom wants to be a doctor, he ...... finish university.
doesn't have to
must / has to
mustn't
If you are feeling sick, you ....... go to the doctor!
mustn't
shouldn't
should
I ...... make my bed every morning. I know my parents need help at home.
must / have to
don't have to
should
You ...... listen to loud music. It's bad for your ears!
shouldn't
have to
don't have to
You ...... carry your umbrella - it's a sunny day!
should
don't have to
must
Lucy has a toothache, so I think she ...... go to the dentist.
mustn't
shouldn't
should
She ...... wake up early today - it's Sunday.
must / have to
mustn't
doesn't have to
Children ...... go to school.
should
shouldn't
must / have to
You ...... eat fast food every day. It's bad for you!
mustn't
must
shouldn't
She ...... wear a uniform at school. She can wear jeans.
must / have to
doesn't have to
should
The team ...... score 5 more points if they want to win!
doesn't have to
should
must / has to
You ...... feed the animals in the Zoo. It's forbiden!
don't have to
must
mustn't
She ...... finish her homework if whe wants to go out.
must / has to
must / have to
mustn't
They ...... study harder if they want to pass their exam.
don't have to
must / have to
shouldn't
You ...... use your mobile phone in a plane.
don't have to
mustn't
should
You ...... do exercise every day. It's good for you!
must
shouldn't
should
My husband is cooking tonight so I ...... do it!
should
must
don't have to
Iron Man ...... stop Thanos. If not our world will be in danger!
doesn't have to
must / has to
shouldn't
You ...... start a fire in this forest. It is prohibited.
don't have to
mustn't
shouldn't