Question

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.

Answer 1

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