Вставьте предлоги, которые необходимы: (on; for; of; to; upon; with): 1. The chapter begins __________ a review __________

1. The chapter begins with a review how reporters and public relations people are mutually dependent on each other for accomplishing their respective goals. 2. It also mentions upon areas with friction that often contribute an adversarial atmosphere. 3. The reporter cannot depend on legwork alone to satisfy his paper’s insatiable demand on news.