1. You ....... wash the dishes. Doug has already done it.
a) ought not
b) mustn't
c) don't have to
2. Mum, ....... I have some ice cream after dinner, please?
a) can
b) must
c) should
3. If you’re on a diet, you ....... avoid eating junk food and anything that has too much sugar in it.
a) can
b) could
c) should
4. Students ....... to call the school if they miss a class.
a) should
b) can
c) have
5. If you’re not happy with the gym you’re going to, you ....... try coming to mine; it’s very good.
a) need
b) may
c) could
6. We ....... wash our hands before eating so as not to get sick.
a) must
b) needn't
c) can
7. You ....... only eat at the restaurant if you are a guest at the hotel.
a) could
b) have to
c) can
8. I ....... return the book to the library today or I’ll pay a fine.
a) must
b) ought
c) may
СРОЧНО!!