concreteabstractand collective nouns

 1.Christa read a book about increasing her self-confidence 2.Please bring me a box of pencils from the closet 3.Time moves slowly for people caught in a traffic jam 4.An editorial is an essay usually in a newspaper in which the writer expresses his or her opinion 5.Tito do yo belige his story is truth 6. Professor salo is writing a book about art history 7.Jennifer learned to overcome her fear of dogs 8.Dr.Melfi is a specialist in the treatment of certain illnes