Crossword Clue:

Do a number

Answer	Crossword Clue
SING	Do a number
HARM	Do a number on
DEADEN	Do a number on?

SEDATE	Do a number on, maybe?
GOOGLEGOOGOL	Do a Web search on a big number?
ALARM	It may do a number on your slumber
SIGNSPOINTTOYES	... do you have a limited number of possible responses?
DUET	Number one can't do
IOOI	Number of things to do today.
IOOI	Exaggerated number of things to do.
LONELIEST	"One is the ... number that you'll ever do" (Three Dog Night lyric)