请复制这份文件并把原件放在抽屉里。

Please ___duplicate this file and put the original in the drawer.

这个学生的论文完全复制了网上的内容，毫无新意。

The student's paper simply ___duplicated content from the internet without any originality.

我们不需要重复他们已经完成的工作。

We don't need to ___duplicate the work they've already done.