他昏倒并死于心脏病发作。

He ___collapsed and died of a heart attack.

经过长时间的战斗，他筋疲力尽，倒在了地上。

Exhausted from the long fight, he ___collapsed on the ground.

热浪期间，一名老妇人在街上昏倒了。

During the heatwave, an elderly woman ___collapsed on the street.