她头部被石头击中，昏了过去。

She was hit on the head by a stone and knocked ___unconscious.

早上，克罗泽夫人去42号拜访阿普尔福德小姐，却发现她躺在地板上不省人事。

In the morning, Mrs Crozier went to visit Miss Appleford in number 42 only to find her lying on the floor ___unconscious.

事故后，他昏迷了好几个小时。

After the accident, he remained ___unconscious for several hours.