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Magoosh - 语法SC - 113
Every Monday, either the math department chair or the members of the department post a challenge problem to the student body, but usually it is so difficult that they cannot solve it in a week`s time.
  • Aeither the math department chair or the members of the department post a challenge problem to the student body, but usually it is so difficult that they 分析该选项
  • Beither the math department chair or the members of the department post a challenge problem to the student body, but usually the problem is so difficult that the students 分析该选项
  • Ceither the math department chair or the members of the department posts a challenge problem to the student body, but usually the problem is so difficult that they 分析该选项
  • Deither the members of the math department or the department chair posts a challenge problem to the student body, but usually it is so difficult that they 分析该选项
  • Eeither the members of the math department or the department chair post a challenge problem to the student body, but usually the problem is so difficult that the students 分析该选项
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正确答案: B

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