After the exam, my teacher told me that failure ____ the mother of success. A. was B. is C. be D. be...
2023-01-21 08:18:52 67次 2011-2012年河北省高一上学期期中检测英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
After the exam, my teacher told me that failure ____ the mother of
success.
A. was B.
is C. be D.
been
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