We have done things we ought not to have done and ________ undone things we ought to have done. A. l...
2023-01-19 04:12:11 62次 2010-2011学年江苏省南京市白下区高三二模模拟考试英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We have done things we ought not to have done and ________ undone things we
ought to have done.
A. left
B. leaving C.
will leave D. to leave
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