他侧腹突然剧痛，差点昏过去。

He nearly ___passed ___out from the sudden, sharp pain in his side.

一听到那个令人震惊的消息，她当场就晕倒了。

She ___passed ___out the moment she heard the shocking news.

人群中有好几个人因为高温和缺氧晕倒了。

Several people in the crowd ___passed ___out due to the heat and lack of air.