Select the correct form: must, mustn’t, have to, or don’t have to in each sentence. You have one opportunity to answer correctly. When you finish, check your answers by pressing the “Check answers” button.
1. Look at the sign! You ___ jump into that forbidden area.
a) must
b) have to
c) mustn't
d) don't have to
mustn't, because it´s forbidden
mustn't, because it´s forbidden
2. You ___ keep the secret of what I told you. It´s really important for me.
a) must
b) have to
c) mustn't
d) don't have to
must, because it's an important secret for me
must, because it's an important secret for me
3. Mary ___ go to the dentist immediately. She is in great pain.
a) must
b) has to
c) mustn't
d) don't have to
has to, because it's obvious she's suffering
has to, because it's obvious she's suffering
4. We ___ get a visa to go to Nepal. We can't go there in another way.
a) must
b) have to
c) mustn't
d) don't have to
have to, because it's obvious she's suffering
have to, because it's obvious she's suffering
5. They ___ buy another kettle. I’ve just repaired the old one.
a) must
b) have to
c) mustn't
d) don't have to
don´t have, because it's not necessary to buy a new one
don´t have, because it's not necessary to buy a new one