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

答案是:

标准答案:D
出自  青书学堂  >  黑龙江省教育学院口语(专升本)

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本题添加时间:2023/4/3 12:59:00