Copy and Cut

Open the Plugin by clicking Window/Other Panels/[T] Copy Paste.
Select an object on the stage.
Press the button Copy or Cut.
This will memory the selected object.

Learn how to assign a hotkey to this button.

Paste in Place

Wherever you want to paste the object, press the button Paste.
TIP: It's very useful to use this plugin together with Edit in Place.

Learn how to assign a hotkey to this button.