1. He must be in his study now. You can talk to him. 2. May I come in? —- Yes, please. 3. You must read this text. 4. Can he do this task? 5. May I take your book? 6. You must speak only English at your English lesson. 7. Must we hand in our exercise-books today?? 8. May I ask you a question. – Yes, please. 9. I can’t go to the movie with you, I’m very busy. 10. May I smoke here? — Yes, please.