求一首英文小诗歌,短一点,最好是新四年级的.

Baa,baa,black sheep,
Have you any wool?
Yes sir,yes sir,
Three bags full.
One for the master,
One for the dame,
And one for the little boy
Who lives down the lane.
Baa,baa,black sheep,
Have you any wool?
Yes sir,yes sir,
Three bags full.