Заменить инфинитив в скобках "must", "have + infinitive" если необходим только действие; по "be + infinitive" если необходимо.
1. This is Dora. She (share) ____your room.
2. I must leave you now. I (do) ____the cooking.
3. Who (meet)____ you there?
4. My feet are wet. I (change)____ my stockings.
5. I'm afraid you (go) ____there alone, darling. I've such a headache!
6. When the lecture (begin)____?
7. Two more apartment houses (be built) _____here.
8. Well, children, who (do) _____the dishes to-night?
9. Sorry, I've got to rush. I (meet) _____mother at the metro station at 6 sharp.
10. You (leave)_____ at six to catch the train.
11. I (write)_____ a letter to my sister. I am worried about her.
12. She (wear)_____ glasses as her eyesight is very weak.
13. It is raining. You (put on)_____ your raincoat.
14. It was planned that we should wait for them after the performance. We (wait)_____ for them at the entrance.