3 ways of Multiple Selection in SublimeText

#1. Basic.
cmd + Click (Where you want to select cursor position.)

#2. Second Method.
(You MUST UnCheck "Mission Control" & "Application Windows" short-cut: You can find this checkbox in System Preferance -> Keyboard -> Shortcuts -> Mission Control)

shift + ctr + Up/DownArrow

cf) Some problem with using word warp.

#3. Third Method.

Range selection with mouse. then,

cmd + shift + L (split into Lines)

then,

Rt/LtArrow (each char) OR 

opt + Rt/LtArrow (each word)