单项选择题
The general election in America is held every （）years.
A.5 B.4 C.6 D.3
单项选择题 The colonial life can be described as the following except （）
单项选择题 In the west of the （）lie the Colorado Plateaus and the Columbia Plateaus.
单项选择题 The Constitutional Monarchy started at the end of the （）century.
