a. The boy was asked to turn off the television.
b. Those kids were influenced by the advertisement
c. A new compaign was prepared by the media
d. Manufacturers were often accused of invading our lives
e. Those products were manufacturerd in Asia.
f. A new video game was invented by them.
Tu dois savoir que le passif peut parfois mais pas tout le temps être suivi âs un complément d'agent introduit par "by"...