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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1798

Only after her mother came to help her for the first few months ______ to begin her project.

A.did she allow B.had she allowed
C.was she allowed D.is she allowed
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Onlyafterhermothercametohelphe