您要查找的是不是：
- The assailant is still unknown. 尚未确定攻击者。
- The ownership of the house is still unknown. 这栋房子的所有权至今无人知道。
- Who will preside the meeting is still unknown. 谁将主持会议，还不知道
- Whereabouts of the missing child is still unknown. 遗失的孩子还没有着落。
- Which team will win the match is still unknown. 哪个队会赢得这场比赛还不知道。
- It is still unknown which team will win the match. 到底谁赢呢,形势尚不明朗。
- When the meeting will be held is still unknown. 会议什么时候举行还不知道。
- The cause of fire is still unknown. 起火事故的原因目前还不清楚。
- The exact cause of cancer is still unknown. 致癌的真正原因还是个问号。
- The outcome of their discussion is still unknown. 他们讨论的结果仍然不清楚。
- Where to do this experiment is still unknown. 在什么地方做实验还不知道。
- When this accident took place is still unknown. 这个事故在何时发生还不知道。
- Her present whereabouts is still unknown. 她目前的行踪仍然不明。
- How to solve this problem is still unknown . 如何解决这个问题仍旧是未知数。
- Who will preside at the meeting is still unknown. 谁将主持会议，还不知道。
- The cause of the fire is still unknown. 这场大火的起因还不知道呢。
- Whether they will come or not is still unknown. 他们是否要来不知道。
- Who will come to help us is still unknown. 谁将来帮助我们仍然不清楚。
- What we should do is still unknown. 我们该干什么仍然还不知道。
- How to solve this problem is still unknown. 如何解决这个问题仍旧是未知数。
