Do you watch eurovision? — вы смотрите евровидение?
• does russia take part? has it ever won? — принимает ли россия участие? была ли она когда-нибудь победителем?
• do you think eurovision is a good idea? — считаете ли вы, что евровидение это хорошая идея?
• what other events are there where european countries compete against each other? do you enjoy them? — какие другие события, где европейские страны конкурируют друг с другом? вам нравятся они? ​

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.