`=>`

`1`/ I knew that they had told him of the meeting.

I knew that he had been told of the meeting.

`2`/ The police advise drivers to use an alternative rout.

Drivers are advised to use an alternative rout by the police.

`3`/ The bank manager kept me waiting for half an hour.

I was kept waiting for half an hour by the bank manager.

`4`/ He wants someone to take some photographs.

He wants some photographs to be taken.

`5`/ He likes people to call him "sir".

He likes being called "sir".

`6`/ She hates people looking at her.

She hates being looked at.

`7`/I don't like people making fun of me.

I don't like being made fun of.

`8`/ The teacher gave each of us two exercise books.

Each of us was given two exercise books by the teacher.

`9`/ People believe that number 13 is unlucky number.

Number 13 is believed to be unlucky number.

`10`/ People know that English is an international language.

English is known to be an international language.

`11`/ People think that Jack London's life and writings represent the American love of adventures.

Jack London's life and writings are thought to represent the American love of adventure.