12. Rewrite the following passage in the Passive.

Some people saw a UFO in the sky above London last night. They reported it to the police. The army sent a helicopter to look at it more closer. The UFO shot the helicopter down and killed both men in it. People have given photographs of the UFO to the police. Experts are looking at them now.

A UFO was seen in the sky above London last night.

It was reported to the police.

A helicopter was sent by the army to look at it more closer.

The helicopter was shot down by the UFO and both men were killed in it.

Photographs of the UFO have been given to the police.

They  are being looked at by the experts now.