Вставьте модальные глаголы may, can, must, need. 1. we go away just yet; our train doesn't leave for half an hour yet. 2. you be at home by 11 o'clock. 3. the bus didn't come and we go on foot. 4. i don't have this book, so go to the library. 5. the ice is quite thick. we walk on it. 6. if you don't know the meaning of a word use a dictionary.

1. We can go away just yet; our train doesn't leave for half an hour yet.
2. You must be at home by 11 o'clock.
3. The bus didn't come and we had to go on foot.
4. I don't have this book, so I need go to the library.
5. The ice is quite thick. We mustn't walk on it.
6. If you don't know the meaning of a word you may use a dictionary.

1. can
2. must
3. need
4.must
5. may
6. may