成人英语三级考试

根据网考网考试中心的统计分析，以下试题在2018/11/20日成人英语三级考试习题练习中，答错率较高，为：80%
【单选题】The room is in a terrible mess; it ______ cleaned.


A．can't have been
B．mustn't have been
C．shouldn't have been
D．wouldn't have been

网考网参考答案：A，答错率：80%
网考网试题解析：
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