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题目内容
（黑龙江省教育学院口语(专升本)）
(单选题) When it was all over, both men spoke as if there a serious problem.(本题4.0分)
A、 wasn.t
B、 isn.t
C、 haven.t been
D、 hadn. t been
A、 wasn.t
B、 isn.t
C、 haven.t been
D、 hadn. t been
参考答案
