1. I have to work hard now because I was ill and I fell behind the group. 2. You'll have to talk to him in person./=(tete-a-tete) /(face to face) 3. We had to wait out the rain at the station. 4. I had to apologize, even though it was unpleasant for me. 5. The book must be rebound, otherwise some pages may be lost. 6. You have to get up very early, don't you? 7. He had to make a remark to you, didn't he? 8. He didn't have to take the entrance exams. 9. We didn't have to escort them /(=to see them off) to the hotel. They themselves knew the way very well. 10. The work will have to be done today. 11. He said you'd have to go there alone. 12. The whole page had to be reprinted because of one misprint. /(typo).