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  • 更新 2022-09-04
  • 科目 英语
  • 题型 选择题
  • 难度 中等
  • 浏览 37

Our teachers have been with us for nearly three years ___ we came to junior high school.We should t

hank them for what they have done for us.(  )

A.

until

B.

before

C.

since

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Ourteachershavebeenwithusforne