Демо (html) ПКОЯз. Англ. Практическая грамматика
11. Вставьте пропущенные слова. - Why hasn't Mrs. Grey got in touch with us? - I don't know. It … be that she has lost our phone number.
may
12. Вставьте пропущенные слова. - Jane seems to be avoiding you. - I can't tell you for certain. She … have been hurt by my words about her friends.
might
13. Вставьте пропущенные слова. In this office you … wear a tie, it's not necessary.
don't have to
14. Вставьте пропущенные слова. Write down two things that you feel you really … do, but you don't do because you never have the time.
can