neglect 2. critical 3. principal 4. investigate 5. rear 6. accomplish 7. colleague 8. desirable 9. throw light on 10. incident A. an event, esp. one that is unusual, important or violent B. manage to do sth C. worth wanting D. very important; very serious or dangerous E. a person one works with F. help people understand sth by providing new information G. give too little attention or care to H. look after until fully grown up I. main, chief J. try to find out information about _______ _______ _______ _______ _______ _______ _______ _______ _______ _______