When and where he came here _______ yet. A．isn’t known B．aren’t known C．has not known D．have not bee...
2023-01-08 13:02:14 140次 江苏省2009-2010学年度高一下学期期中考试（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
When and where he came here _______ yet.
|
A．isn’t
known
|
B．aren’t
known
|
C．has not known
|
D．have not been known
|
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