5.All the materials collected for the research project on pollution are ___________ to all the seniors at this college. A. explored B. available C. registered D. exchanged

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5.All the materials collected for the research project on pollution are ___________ to all the seniors at this college.
A. explored B. available C. registered D. exchanged

参考答案

随机试卷

国家开放大学语言学概论（本）

平顶山学院-计算机网络技术(高起专)-计算机导论(高起专)