Crossword Puzzle No 3

G D A G C A D C G D G D G D G G There's a crosswords puzzle puzzlin' me D What's a five letter word for general disbelief A G C Like the look she gives me when I start to shout A D Or the way I feel when she goes stormin' out C G Starts with D and ends with a T D It looks like doubt to me G Crosswords puzzle isn't it strange D G D G How the smallest doubt can bring the biggest change