这幅画只是一幅复制品——原作挂在卢浮宫。

This painting is only a ___copy - the original hangs in the Louvre.

我总是保留我寄出的任何官方或重要信件的副本。

I always keep a ___copy of any official or important letters that I send off.

你能为明天的会议复印一份这个吗？

Could you make a ___copy of this for tomorrow's meeting, please?