一道首字母填空A wolf once s----------some sheep eating grass at the

一道首字母填空
A wolf once s----------some sheep eating grass at the foot of a hill .The wolf was hungry and wanted very much to catch one and eat it .But he could not go n------the sheep ,because there was a man with t--------.The man was a shepherd .He was looking after his sheep.Then the wolf had an i--------.He put on a sheep's skin and went in a -------the sheep ,He killed a lot of them .Of course the shepherd did not know the wolf was among his sheep,because his enemy was in a sheep's skin.
Every day the wolf ate one or two of the sheep .The shepherd was w------.''Who is killing my sheep ''he wondered.''I'll catch him and hang him.