When and why he came here () yet?A is not known B are not kn

学习时间:2026-04-07 21:02:43 阅读：6728

When and why he came here () yet?A is not known B are not known C has not known D have not been

危机的星月

2026-04-07 21:02:43



你好,应该是： A翻译为他何时为什么来这儿还不清楚。句子的主语是whne and why he came here,是一件事所以为单数如果用have,应该用被动所以只能选A ~~~~~~~~~~～～~~~~祝你进步,如对你有帮助,请及时采纳~~~~~~~~~~~~~~~~