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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 747

---Where has Mary been? I haven't seen her all day?
---Oh,in order not to be disturbed, she spent the whole day __in the study, ___ her report.

A.locking;preparing B.locked; prepared
C.locked; preparing D.locking; prepared
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相关知识点

WherehasMarybeen?Ihaventseenhe