The researchers have come up with numerous explanations to ______ their failures.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:12:16 免费下载:《单选题》Word试卷

The researchers have come up with numerous explanations to ______ their failures.
A.excuse
B.justify
C.admit
D.avoid

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