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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1947

Having lived in China for 8 years, Helen has a good ______ of both English and Chinese.

A.program B.guidance C.command D.ability
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HavinglivedinChinafor8years,He