Задание 1. Выберите правильный ответ: а, b, или c .

1. I ________ go to the party. I’m not sure.
a) might b) will c) may to
2. The petrol station ______ open today. It’s holiday.
a) may not be b) may not to be c) may to
3. I think you _______ go to the doctor.
a) would b) should to c) should
4. She ________ come home late.
a) not should b) shouldn’t c) shouldn’t to
5. I like Saturdays because I ________ work.
a) mustn’t b) don’t have to c) haven’t to
6. She can’t come to the cinema because she _________ to study.
a) must b) have c) has
7. You _________ be late for class tomorrow.
a) mustn’t b) mustn’t to c) don’t must
8. We ______ see the lake from our bedroom window.
a) are able b) can с) might
9. I do not know when they will be here. They ______ arrive at any time.
a) could b) can c) must
10. He cannot come out with us this evening. He ______ to work.
a) could b) has c) might
11. You ______ worry about the party any more. I'll take care of it.
a) don't need to b) do need to c) needn't to
12. ______use the phone, please?
a) Must I b) Have I to c) May I
13. It is early spring now. Everybody ______ eat more fruits and vegetables.
a) should b) shall c) can
14. You have got plenty of time. You ______ hurry.
a) must not b) should not c) need not
15. According to the contract, the goods ______at the port at the end of the week.
a) will arrive b) are to arrive c) should arrive
16. We do not have much time. We ______ hurry.
a) should to b) have c) must
17. When we are in the library, we ______ not make any noise.
a) could b) can c) must
18. You ______ work hard at your English, if you want to know it.
a) may b) must c) should
19. Everyone ______ obey the law.
a) should b) may c) must
20. Michael ______ drive without headlights, it is forbidden.
a) mustn't b) have to c) shouldn't​