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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 703

“Not having returned home yet, _________”, his father said to the police.

A.his mother got worried B.his mother must be worried
C.I think he is missing D.he must have got into some trouble.
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相关知识点

Nothavingreturnedhomeyet,,hisf