Liu had lost his pen while taking it to the teaching office.
刘在去办公室的路上丢了他的钢笔。
A copy of this table without the seal of Teaching Affairs Office will be invalid.
此表复印件为盖教务处成绩监章无效。
Welcome to Sichuan Radio And TV University Teaching Material Office!
欢迎光临四川广播电视大学教材处！
Welcome to Sichuan Radio And TV University Teaching Material Office!
欢迎光临四川广播电视大学教材处！
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