Rewrite the sentences in the passive where possible ​

1. She (has/had been sitting) at the window since 10 o'clock. (оба варианта применимы, т. к. нет привязки ко времени)
2. He will (be training) from 6 till 8 o'clock next Friday.
3. I didn't speak to him because he (was making) expirement.
4. Now they are ( deciding) where to go for the Holyday this summer.
5. By 5 o'clock the device (had been operating) for 3 hours and didn't stop.
6. I'd like to know what (has) happened to him. (оба варианта применимы) 7. By this time tomorrow the train will (have left) 

1.Aidar said that he had got acquainted with an English boy of his age.

2. NIck asked him who was he and where was he from.

3.Aidar answered that he was John Smith. His father had come to Astana from London as a buisnessman for several weeks.

4. Nick asked Aidar if he was going to introduce him to John.

5Aidar answered that not only to him.Let/offered to  invite him to their class and that he thought that he would agree.

6. Asel asked what was he talking about.

7.Nick said that it wasn't secret at all that Aidar had a good idea. He'd proposed to invite as English boy John Smith to meet with their class.

8.Asel agreed that it was really a good idea but first they should ask their English teacher for the permission to do it.