The media have uncovered many scams in the past twenty years. Only numbers 3 and 6 are correct. We will choose a new office manager on the basis of several criteria. The most important criterion for a new office manager is organizational skill. Politicians claim that the media look for trouble.
Television is an extremely effective medium for advertisers.
Some other words are similarly confusing. Be sure to check verbs and pronouns affected by those words, too. Despite the popularity of television, radio, and the Internet, the printed page is still a viable media for the dissemination of news. The criteria for promotion is the same this year as it has been for decades. One criteria we are interested in is an applicant's experience in sales.