Whenandwhyhecamehere________yet．A

发布时间：2020-07-10 05:07:47

When and why he came here ________ yet．













A.has not known












B.are not known











C.has not been known











D.have not been known

网友回答

C
以上问题属网友观点，不代表本站立场，仅供参考！