她郑重承诺会按时完成报告。

She made a solemn ___undertaking to submit the report on time.

组织一场国际会议是一项艰巨的任务。

Organizing an international conference is a huge ___undertaking.

这家殡葬公司提供全套的丧葬服务。

The ___undertaking company provides comprehensive funeral services.