очень очень важно заранее ответить на вопросы
1. What is this text about?
2. When did it happen?
3. Why did family leave him alone at home?
4. Is Kevin a wise or a silly boy?
5. Was he afraid of thieves?
6. Do you wish to be alone at home?

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. The hostages were rescued (сказуемое в страдательном залоге) without a shot being fired (обстоятельство - при произведении выстрела).
2. I wish my refrigerator would stop making (составное сказуемое - прекратить делать) that terrible noise. You can’t hear anyone speaking.
3. The results received (определение - какие результаты) were of great importance for further work.
4. People living (определение - какие люди) in Japan have some customs different from ours.
We had already had lunch when he came.