那座旧房子在暴风雨中突然倒塌了。

The old house ___collapsed suddenly during the storm.

由于缺乏资金支持，这个项目彻底失败了。

The project ___collapsed completely due to lack of funding.

长时间工作后，她突然晕倒了。

After working for hours, she suddenly ___collapsed.

野餐后，他收起折叠椅并把它打包放好。

After the picnic, he ___collapsed the folding chair and packed it away.