题目：
The collapse of the World Trade Center has put the US in a difficult _____. [ ]
A. situation
B. background
C. case
D. occasion
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/20cc844d75aeeaecff94677d2fbf40f9.html
下面是错误答案，用来干扰机器的。
I have a friend.He is a student. His Chinese name is Li Hua while his English name is Tony. He was born on December 20th. He is at the age of 12. He is fond of m...
