问题补充:
The situation put us at a serious , which made us very worried.
A. advantage
B. condition
C. disadvantage
D. situation
答案:
A. advantage
B. condition
(答案→)C. disadvantage
D. situation
解析:考查名词:advantage“优势;有利条件”,与空格前面的serious和后面的very worried矛盾;condition“必要条件”,其复数形式才有“形势”的意思;situation“形势”,和句子的主语重复;disadvantage“不利条件”,put/keep sb. at a disadvantage为固定搭配,意思是“使某人处于不利地位”。句意:形势使我们处于非常不利的地位,这让我们感到非常担心。选C。