What they do cannot be undone.
What has been done cannot be undone.
do means you do it and undo means to undo or get ride of it
redo-is when you do sometyhing over! undo-is when u undo something
There is no full form.. it is opposite for do...
to undo on a mac computer, you have to go to edit and press undo. or go to file and press undo. forgot which one.
You can't undo algebra, you just can do it.
Undo is a verb.
No, "undo" is not a noun. It is a verb that means to reverse or cancel something.
There are seven types of passive voices 1 General Passive 2 Modal Passive 3 Journalistic Passive 4 Double object Passive 5 + ing Passive 6 + going to Passive 7 + want to Passive By H.K.Dalugama hkdalugama@yahoo.com
You can't undo algebra, you just can do it.
Ctrl + Z = Undo
Passive
Default number of undo actions: Excel 2007 = 100 undo actions Excel 2003 = 16 undo actions