I ...... study this weekend. It's my obligation as a student.
mustn't
must/have to
should
You ...... feed the animals in the Zoo.
don't have to
mustn't
must OR have to
You ...... do exercise every day. It's good for you!
should
must or have to
shouldn't
You ...... listen to loud music. It's bad for your ears!
don't have to
have to
shouldn't
Dad helped me this morning. You ...... help me now.
mustn't
don't have to
must
She ...... wear a uniform at school. She can wear jeans.
must OR have to
doesn't have to
should
You ...... eat fast food every day. It's bad for you!
mustn't
shouldn't
must
You ...... use your mobile phone on a plane.
mustn't
should
must
don't have to
If they want to get a good grade, they ...... study more.
don't have to
must OR have to
shouldn't
If you are feeling sick, you ....... stay at home!
shouldn't
mustn't
should
If you have an important test tomorrow, you ...... go to bed late!
shouldn't
must
don't have to
My husband is cooking tonight so I ...... make dinner!
should
don't have to
must
You ...... start a fire in this forest. It is prohibited.
don't have to
mustn't
shouldn't
If Tom wants to be a doctor, he ...... finish university.
mustn't
must OR has to
doesn't have to
She ...... wake up early today - it's Sunday.
should
doesn't have to
mustn't
must
Joanne has a toothache, so I think she ...... go to the dentist.
has to
should
stay
mustn't
