Вставьте глаголы may или can.
1. … I come in? 2. Let me look at your exercises. I … be able to help you. 3. I … not swim, because until this year the doctor did not allow me to be more than two minutes in the water. But this year he says I … stay in for fifteen minutes if I like, so I’m going to learn to swim. 4. Libraries are quite free, and any one who likes … get books there. 5. I … come and see you tomorrow if I have time. 6. Take your raincoat with you: it … rain today. 7. Do you think you … do that? 8. I … finish the work tomorrow if no one bothers me any more. 9. … we come and see you next Sunday at three o’clock in the afternoon? 10. What time is it? – It … - be about six o’clock, but I am not sure. 11. Only a person who knows the language very well … answer such a question.