问题
选择题
It’s common knowledge that ________ United States is one of ______ biggest developed countries in the world.
A．the; /
B．/; the
C．the; the
D．/ ; /
答案
答案：C
题目分析:考查冠词用法。the United State“美国”，最高级biggest前应有定冠词the，所以C选项正确。句意：众所周知，美国是世界上最大的发达国家之一。
