18. His mistake was _________ carelessness.(本题1.0分)
A、 due to
B、 as
C、 so
D、 because

答案是:

标准答案:A
出自  青书学堂  >  漯河职业技术学院大学英语1(高起专)

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本题添加时间:2023/4/3 12:59:00