Изберите верный модальный глагол. Заполните пропуски. 1. You ... be

Изберите верный модальный глагол. Заполните пропуски.

1. You ... be attentive. The tutorial is rather difficult.
a) may
b) must
c) can
2. You ... be late for classes. Its time to leave.
a) must
b) mustnt
c) neednt
3. You ... do it at any time. Its easy.
a) cant
b) can
c) must
4. Ive got a lot of spare time today so I ... go round the town and do window shopping.
a) cant
b) must
c) can
5. He feels sick. So he ... eat anything.
a) can
b) cant
c) must
6. That restaurant ... be very good. Its always full of people.
a) can
b) must
c) may not
7. Sandra is very sad and she is crying. She ... want to be alone.
a) may
b) must
c) can
8. You ... do all the exercises in writing. You ... do exercises 5 and 7 orally.
a) neednt
b) mustnt
c) may
9. They know many people here. They came here not long ago.
a) can
b) cant
c) must
10. I want to buy some food. The shops are closed as its a late hour. I ... go to the market either.
a) mustnt
b) must
c) cant
11. So many congratulations and presents! You ... be very pleased.
a) may
b) can
c) must
12. Excuse me, where is the post-office here? Dont worry. I ... show you the way.
a) may
b) can
c) must
13. How ... I get to the library? Take 34 bus.
a) may
b) can
c) must
14. The dress youre looting at is very expensive. You ... buy it.
a) must
b) mustnt
c) may