Crossword Clue:

DRILL to bore a hole in

AnswerCrossword Clue
LEFTRIGHTRepeated words in a drill sergeant's marching order, and a hint to how the first and second word, in turn, of each starred answer would be touch-typed
ACEGood thing to have in a hole
GNAWOne way to make a hole in the wall
ERRTry to fit a square peg in a round hole, e.g.
BOREDrill a hole