一道选词填空,不多,

一道选词填空,不多,
[off][finish][dark][without][touch][close][into][safer][over][catch]
·Never stick anything ____ an electeical socket.
·Turn off lights,stereos,TVs and other electrical equipment when you ____ using them.
·Don't stand too ____ to the fireplace or a wood stove.YOUcould get burned or your clothes could ____ fire.