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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 291

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It was _____ his mother came in _____ to prepare his lessons.

A.not until; did the boy begin B.until; that the boy didn’t begin
C.until; did the boy not begin D.not until; that the boy began
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.Itwashismothercameintoprepare