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

Crossword clues for You know, ___ been wondering ... 3 letters

AnswerClue
IVEYou know, ___ been wondering ...
HES___ Misstra Know-It-All (Stevie Wonder track)
HES_____ Misstra Know It All (Stevie Wonder hit)
IDONT___ Know Why, Wonder hit
IDONT__ Know Why (Stevie Wonder)
ECLASSMercedes-Benz line (I know what you're wondering: the E stands for Einspritzmotor)
GOTYESomebody That I Used To Know one-hit wonder
EARLTitle sitcom character who asked, "You know the kind of guy who does nothing but bad things and then wonders why his life sucks?"