试题出自试卷《00522《英语国家概况》真题及参考答案（2020.08）》

 As a result of WWI, the US changed from a debtor nation to a ______.

A. Roundheads
B. creditor
C. Sinn Fein
D. inner-city areas
E. Omaha
F. steel
G. the Outback
H. Mount Logan
I. The Whigs
J. bishops
K. regionalism
L. “clean air zones”