请把文件放在左手边的抽屉里。

Please put the documents in the ___left-hand drawer.

这些左手剪刀是专为左撇子设计的。

These ___left-handed scissors are designed for left-handed people.

作为经理的得力助手，她负责处理所有的行政工作。

As the manager's ___right-hand woman, she takes care of all administrative tasks.