题目内容
根据汉语提示将下面句子补充完整。
They found out the boy ________(失踪好几天的)in a lonely house in the village．
答案：who/that had been lost for several days
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题目内容
根据汉语提示将下面句子补充完整。
They found out the boy ________(失踪好几天的)in a lonely house in the village．