Вставьте модальные 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 am go¬ing 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 yoar 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?

1.May I come in? 2. Let me look at your exercises. I may be able to help you. 3. I cann't 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 can  stay in for fifteen minutes if I like, so I am go¬ing to learn to swim. 4. Libraries are quite free, and any one who likes can get books there. 5. I can come and see you tomorrow if I have time. 6. Take your raincoat with you: it may rain today. 7. Do you think you can do that? 8. I can  finish the work tomorrow if no one bothers me any more. 9.May we come and see you next Sunday at three o'clock in the afternoon?