Преобразуйте следующие предложения из активного
залога в пассивный:
1. People must protect the environment at all costs.
2. Many people attended the music festival.
3. The Minister of Education is making an announcement at the moment.
4. The party organisers set off fireworks.
5. Several reggae bands will play Caribbean music.
6. The local newspaper is publishing colour photos of the carnival.
7. People sang the national anthem at the beginning of the ceremony.
8. They had decorated their house with balloons and streamers.

The environment must be protected by people at all costs.

The music festival is attended by many people.

An announcement is being made by the Minister of education at the moment.

Fireworks are set off by the party organisers.

Caribbean music will be played by several reggae bands.

Colour photos of the carnival are being published by the local newspaper.

The national anthem was sung by people at the beginning of the ceremony.

Their house had been decorated by them with baloons and streamers.

I. when i called at his house, they told me that he had left an hour before. 2. when i came tothe station, i did not find my friend there as i was five minutes late and the train had left. 3. he wanted to visit the place where he had lived in his childhood. 4. the telegram came some minutes after he had left. 5. she looked very tired as she had worked hard. 6. i returned to the hotel only late at night as i had lost my way in the fog. when i  came up to my room, i saw pete who was standing at the door of the room. he waiting for me as he had lost his key and could not get in. 7. when i woke up, it was already ten o'clock. i called my brother. nobody answered. he had already left. 8. i went up to the open window. the rain had stopped and the sun was shining brightly. the birds in the garden were singing. the morning was fine. 9. when the rain  stopped i look out of the window and saw john who was standing under a tree waiting for me.