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

学习时间:2026-08-14 05:45:42 阅读：2010

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

坦率的鱼

2026-08-14 05:45:42

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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~~~~~~~~~~~~~~~~