Susan's babysitter / is seventeen years old / oh she looks like Susan
  when she still lived at home / She's a lovely girl
  She's got long black hair / if you go home now / she might still be there
  Susan's babysitter / is twenty-one years old / she still looks like Susan
  when Susan was not at home
  She's a lovely girl / she's got long blonde hair / if you go home now
  she will not be there / 'cos she left last June
  She came home too soon / You were both upstairs / in your daughter's room
  She's a lovely girl.