Beautifully thank you for your answers.
VideoPad Editor v4.58
Question is, How to:
1. Block event (I know )
2 Select part event in audio or video timeline, ( 0,2-15 sec.) ? <----------- ( I don't know How)
3 Ctrl+X or Ctrl+C or Ctrl+V or Mute audio <--------------- ( I don't know How)
( Maybe program will automatically center the mark between the words? ) WoW!!!
4 Continue next select part step1 < ----------- (I know How)