题目内容
根据句意和汉语注释,写出单词的正确形式。
The ________(实验室)in front of the dining hall and the library were built ten tears ago.
答案:laboratories
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题目内容
根据句意和汉语注释,写出单词的正确形式。
The ________(实验室)in front of the dining hall and the library were built ten tears ago.