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题目内容
（川北医学院英语2）
The class is unusual _______ the students are all over fifty and none of them attended the middle school whenthey were young.(本题4.0分)
A、 in how
B、 in what
C、 in which
D、 in that
A、 in how
B、 in what
C、 in which
D、 in that
参考答案