16. In which country did revolutionaries seize the members of the US embassy in Tehran and hold them hostage for two years? a) Sudan b) Syria c) Iran d) Lebanon
24. In which Central American country was there conflict between the ruling Sandinista government and the US-backed Contra rebels during the 1980s? a) Guatemala b) Nicaragua c) Honduras d) El Salvador
32. What can be printed on twelve sheets of paper, with a sequence of numbers up to 28, 29, 30, or 31, and is used as a way of organising the year? a) Directory b) Timetable c) Yellow Pages d) Calendar
44. Which US family of actors are the children of British-born Maurice and Georgie Drew, both stage personalities? a) Sheen b) Hope c) Douglas d) Barrymore
50. The Orinoco, a 1,500-mile-long river, forms 200 miles of the border between Venezuela and which other South American country? a) Argentina b) Mexico c) Panama d) Colombia