Choose the correct forms, don’t have to, mustn’t, to complete the sentences below.
1. You _________ apologise; it isn't necessary.
2. You ______ tell the boss what happened, or he'll fire you.
3. I ______ wear a tie; I do it because I like wearing ties.
4. You _________ smoke in here; smoking is not allowed.
5. I _______ be late. It's the most important meeting of the year.
6. You _______ go now; you can stay a bit longer.
7. Visitors to the zoo _____ feed the animals.
8. You ______ drive so fast; we have a lot of time.
9. We ______ cook more; there's enough food.
10. You ______ put salt in her food; the doctor said she can't eat salt.
1. You _________ apologise; it isn't necessary.
2. You ______ tell the boss what happened, or he'll fire you.
3. I ______ wear a tie; I do it because I like wearing ties.
4. You _________ smoke in here; smoking is not allowed.
5. I _______ be late. It's the most important meeting of the year.
6. You _______ go now; you can stay a bit longer.
7. Visitors to the zoo _____ feed the animals.
8. You ______ drive so fast; we have a lot of time.
9. We ______ cook more; there's enough food.
10. You ______ put salt in her food; the doctor said she can't eat salt.
Respuesta:
1- don't have to
2- mustn't
3- don't have to
4- mustn't
5- mustn't
6- don't have to
7- mustn't
8- don't have to
9- don't have to
10- mustn't