Контрольные задания > 7. He ... (may, must) not know that he is seriously ill.

Вопрос:

7. He ... (may, must) not know that he is seriously ill.

Ответ:

He *may* not know that he is seriously ill.

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6. You ... (may, can) praise the boy. He deserves it. You ... (might, may) have praised him long ago.
7. He ... (may, must) not know that he is seriously ill.
8. She ... (must, may) ring you today, she promised.
9. She ... (must, may) ring you today but I'm not sure.
10. Those who live in glass houses ... (should, would) not throw stones.
11. You (needn't, mustn't) explain such simple things. They ... (should, have to) know them quite well.
12. You ... (needn't, mustn't) have done this. It was useless.
13. You ... (must, have to) send him an official invitation so that he could get ready for the celebration.
14. You ... (should, ought to) call the police if you see an accident.
15. Kate isn't here. She... (must, might) be working, I'm sure.
16. They ... (should, must) have got lost! They don't know the city well.
17.... (Must, Have to) I really do this translation today? - No, you ... (mustn't, needn't). You... (may, have to) do it tomorrow if you like.
18. There was no train to the town, so I... (had to, must) drive.
19. The exercise is not very difficult. It ... (can, may) be done without help.
20. If you have a new heart attack you ... (must, should) be taken to hospital.
21. She is young. She... (can't, may not) be more than 20.
22. She... (must, should) have been angry when she heard the news.
23. Mary ... (mustn't, can't) be in Paris because I saw her in town only an hour ago.
24. You (must, can) pay your landlady otherwise she may turn you out.
25. - Somebody phoned you at lunchtime but I couldn't catch the name. It... (may, should) have been my brother. He sometimes rings me up.
26. I'm afraid it is going to rain. I ... (to have to, should) take the raincoat with me. I... (to be to, to have to) come back in the rain.
27. I... (to have to, must) stay in that city forever. It was to be.
28. What I ... (to be to, to have to) do? Where I ... (to be to, should) go now? I ... (to have to, must) know the answer to these questions.
29. He owes you a lot of money. You ... (should, ought to) not lend him any more.
30. You... (mustn't, needn't) drive so fast, there is a speed limit here. If there is a policeman, he ... (to be able, may) fine you.
31. You (ought to, should) buy it now, because prices... (may, must) go up.
32. (Could, Should) you turn down the radio, please? I hear nothing what you are saying.
33 These old houses... (to be to, must) be pulled down in a few months.
34. Various reasons (may, can) be found for the rapid destruction of tropical forests.
35. Julie is taking a typing course. She knows she ... (not to be able, to be able) to pass her secretarial exams next year unless she improves her typing speed.
36. Mr. Wilson explains why he is taking a pill: "I (should, have to) take these pills for my blood pressure".