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1. This house was built in 1930 by someone.

2. 2000 people were employed by Siemens in Cyprus.

3. Football is being played by people all over the world.

4. These television sets have been made by a Japanese.

5. More than a thousand cars is being sold by our company every month.

6. Penicillin was discovered in 1928 by Alexander Flemming.

7. London underground system is used every day by Two million people.

8. Chinese is being taught in our school by them.

9. Anything to drink is offered by them to us.

10. Light was turned off by someone.