взаимодействие концентрированной азотной кислоты с медью(электронный баланс нужно указать)

звуко буквенный анализ слов щепка,вечер

проверьте пожалуйста.

1. I have been hearing of him ever since I was born.

2. By the time you arrived we have left.

 3. The students will have knowing the results of the examination by 3 o'clock tomorrow.

4. By 5 o'clock the Congress had adopted the draft program.

5. After they have presented the draft of the Program, long debates took place.

6. I have did already all my lessons.

7. He has rejected just our proposal.

8. Our family have living in this street since we got a new flat.