Відповідь:
1,We had to wait for the doctor for a long time yesterday.
2,They (have to) meet at three p.m.
3,You (will have to) talk to her tomorrow.
4,(Can I call) call you next week?
5, (Can you help ) help me with this paper tomorrow morning?
6,She (must) have been studying hard to achieve such good results.
7, (Can I) borrow your umbrella, please?
8,He (must have left), though he might still be waiting.
9,The children (were allowed to ) watch TV last night.
10. I (have to) get up at 6 a.m. My working day begins at 8.
11. In a month she (will be able) play the piano again.
Пояснення: