W każdym zdaniu wybierz poprawną odpowiedź:

1. At work you ___ make personal phone calls. odp: mustn't, don't have to, needn't, oughn't
2. I think you _____ talk to your boss in person. odp: need, have, ought, should
3. Fortunately, they didn't ____ work overtime last week. odp: have to, had to, must, need
4. The trainees _____ to use any notes during the exam. odp: mustn't, weren't allowed, couldn't, shouldn't.
5. Mark _____ not be at the office today but I am not sure. odp: can, must, may, ought.
6. You _____ go to the meeting if you are busy. Don't worry. odp; needn't, oughtn't, mustn't, can't
7. Does Frank really ____ work on Saturday? odp: must, have to, has to, need
8. Unfortunatelly, Sarah ____to talk to us yesterday. odp: couldn't, didn't have, oughtn't, wasn't able
9. Tom ___ be on sick leave this week, I've just seen him in the canteen. odp: mustn't, needn't, shouldn't, can't.
10. Kim has been working ten hours a day. She ____ be really tired.