试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(earth) Researchers have 
documents indicating her responsibilitity for the forced adoption of children.
参考答案
试题解析
需要形容词修饰documents。变为unearthed。
句意：研究人员有现成的文件表明她对强迫收养孩子的责任。