Вставьте модальные глаголы to have to або to be to: 1. Where ... the lecture to take place? - I suppose in the assembly

1. Where is the lecture to take place? - I suppose in the assembly hall. 2. The meeting is to begin at five o\'clock. Don\'t be late. 3. I have to help my friends with this work now, so I cannot go with you. 4. It was raining hard and we had to wait until it stopped raining. 5. Why didn\'t you tell me that I was to buy the books? 6. You are to learn all the new words for the next lesson. 7. They decided that she was to send them a telegram every tenth day. 8. Who was to go to the library to get the new books? - I was, but I couldn\'t because I had to finish some work at the phonetics laboratory. 9. It is raining. You will have to put on your raincoat.