Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Must-do:

OBBLIGATO: Must-do, as a musical motif
OBLIGATION: A must-do
PRIORITY: Must-do
LAYOFFTHESWEETS: A must-do when dieting
ANTE: Poker player's must-do