Если не трудно 13. sam really to pay more attention during lessons. a)ought b)should c)might 14. you expect me to know everything! a)have to b)can't c)must 15. you to use your mobile phone on an aeroplane. a)aren't allowed b)can't c)don't have 16. let's ask eleanor - she know. a)can b)shouldn't c)might 17. i see you later if i finish work on time. a)can't b)might c)must 18. he to get there before we do. a) is bound b)must c)is able 19. attend the meeting? a) must i b)do i have to c)am i 20. you pay for the hotel room. your company has already paid. a)can't b)don't have to c)mustn't

13. c14. a15. a16, a17, c18,   b19. b20. c

13.c)

14.c)

15.a)

16.c)

17.b)

18.b)

19.b)

20.a)

1. this island (['ailandj остров) (was  discovered) two hundred years ago. 2. you’ll ( find) this book in a lot of the moscow book-shops. it’s worth buying. 3. i looked for the boy everywhere and finally (found) him in a far corner of the garden. 4. peter (is doing well) in tennis now, the training he has had (been doing well). 5. is it raining outside? i have to go out. what shall i (wear)? 6. “don’t (put on) your shirt! ” said the mother to her little son. “you haven’t washed yet and you mustn't (get dressed) before washing.” 7. here’s a good black hat. you can (wear) it with any coat. 8. the armchair looked so big and heavy that we didn’t expect peter to be able (to lift it. the boy was very strong, however, and (picked up) it up like a feather and even (raised) it high above his head.