Заменить инфинитив в скобках "must", "have + infinitive" если необходим только действие; по "be + infinitive" если необходимо. 1. this is dora. she (share) room. 2. i must leave you now. i (do) cooking. 3. who ( you there? 4. my feet are wet. i ( my stockings. 5. i'm afraid you (go) alone, darling. i've such a headache! 6. when the lecture ( 7. two more apartment houses (be built) . 8. well, children, who (do) dishes to-night? 9. sorry, i've got to rush. i (meet) at the metro station at 6 sharp. 10. you ( at six to catch the train. 11. i ( a letter to my sister. i am worried about her. 12. she ( glasses as her eyesight is very weak. 13. it is raining. you (put your raincoat. 14. it was planned that we should wait for them after the performance. we ( for them at the entrance.

1 This is Dora. She is to share the room with you. 
2. I must leave you now. I have to do the cooking. 
3. Who is to meet you there? 
4. My feet are wet. I must change my stockings. 
5. I'm afraid you will have to go there alone, darling. I've such a headache! 
6. When the lecture is to begin? 
7 Two more apartment houses are to be built here.
8. Well, children, who is to do the dishes tonight? 
9. Sorry, I've got to rush. I am to meet mother at the metro station at 6 sharp. 
10. You'll have to leave at six to catch the train. 
11. I must write a letter to my sister. I am worried about her. 
12. She has to wearglasses as her eyesight is very weak. 
13. It is raining. You must put on your raincoat. 
14. It was planned that we should wait for them after the performance. We were to wait for them at the entrance.