Модальные 10. I go now, or I'll miss my bus.
a) can
b) must
c) need
d) ought

11. I tried my best, but I the test.
a) was unable do
b) couldn't do
c) couldn't have done
d) oughtn’t to do

12. There is no one today to help you; so you do the job by yourself.
a) will have to
b) will be able
c) ought
d) must to

13. I help you?
a) Can
b) Must
c) Should

14. If you travel to Moravia you have a visa.
a) can
b) must
c) should

15. You laugh at old people.
a) couldn't
b) don't have to
c) shouldn't

16. Passengers not smoke in the toilets.
a) can
b) must
c) should

17. I think you eat less and take more exercise.
a) can
b) must
c) should

18. You drive on the left in Britain.
a) have to
b) may

19. She has new clothes every week. She have plenty of money.
a) can
b) must
c) should