Below is one hint for each item, though you won't necessarily know which item the hint is for....
1 - He'S making a liSt and checking it twice. I can See who'S naughty and nice.
2 - City sidewalks, busy sidewalks, dressed in vegetable style.
3 - On the third day of Christmas my true love gave to me, three shiny trees.
4 - 'Tween two trees I'm safe and jolly. Fa-la-la-la-la-la-la-la-la.
5 - What bow is this, who laid to rest, in front of me is sleeping?