Вставьте модальные глаголы can, may, must, have to, should.
1. … I come in? -Yes, come in, please. What… I do for you?
2. The only thing you … do is feed children on time.
3. You … be very careful.
4. I'm very busy, I … to leave you.
5. Our teacher... speaks French and German.
6. We … read the text slowly. It is very difficult.
7. … I take your book for a while?
8. You … be firm about it. If anything goes wrong, you… phone us.
9. You … call me, Mr. Smith.
10. Hi, you... be Ann, and this … be the little Mike.