First word sung on January 1, for many (6)
I believe the answer is:
should
(Other definitions for should that I've seen before include "Has an obligation to (do)" , "Has a duty to (do)" , "Had better" , "Past tense of 'shall'" , "Ought" .)
I believe the answer is:
should
(Other definitions for should that I've seen before include "Has an obligation to (do)" , "Has a duty to (do)" , "Had better" , "Past tense of 'shall'" , "Ought" .)