单项选择题
A.a constitutional monarchy
B.a parliamentary republic
C.a federal republic
D.a socialist country
单项选择题 The peace agreement on Northern Ireland was approved by voters across all of Ireland in a referendum held in（）.
单项选择题 As a result of peace talks between Ireland and Britain a peace agreement on Northern Ireland was signed in（）.
单项选择题 When Albert Reynolds became Prime Minister in 1992,both Ireland and Britain agreed to hold regular meetings.（）