Rewrite the sentences in the passive. Use by only where necessary.
1. People all over the world drive cars.
Cars are driven all over the world by people
2. Thomas Edison invented the light bulb.
The light bulb was invented by Thomas Edison.
3. There are designing a new model of TV receiver.
A new model is designed of TV receiver.
4. They are going to sell headphones which are safe for hearing soon.
Headphones will be sold which are safe for hearing soon.
5.He found that somebody had stolen his MP3 player.
He found that (?)
6. The police have just found the missing digtal camera.
The missing have been found digtal camera
7.They must do something with this washing machine.
Something must be done with this washing machine.
8. They will tell you how long the delivery takes.
You will be told how long the delivery takes.
9. Experts belive that the egine was destroyed by the fire.
It is belived that the egine was destroyed by the fire.
10. People think that scientist know all the answers.
Scienstist (?)
11. They gave all employees new mobile phones.
All employees are given a new mobile phones.
12. Has anybody solved this problem yet?
Has been solved this problem yet?
13. Everybody was watching the people working in the loboratory.
The people were watched working in the laboratory
14. Are they going to help Mark to repair the vacuum cleaner?
Is (?)