如果机器出问题，立即关掉它。

If something ___goes ___wrong with the machine, turn it off immediately.

尽管项目期间出了问题，我们学到了宝贵的经验。

Despite what ___went ___wrong during the project, we learned valuable lessons.

总是有个备用计划，以防事情出错。

Always have a backup plan in case things ___go ___wrong.