他失望地把试卷揉成一团扔进了垃圾桶。

He disappointedly ___crumpled the test paper and tossed it into the trash can.

老人突然感到头晕，随即瘫倒在地。

The old man suddenly felt dizzy and ___crumpled to the floor.

她的脸突然皱了起来，眼泪开始在眼眶里打转。

Her face ___crumpled suddenly as tears welled up in her eyes.