It was very cold that day. It was __1__ heavily and the ground was covered with __2__ snow. The shepherd thought it was dangerous to __3__ the hill and it was difficult for the sheep to find some __4__ there. So he decided to stay in the __5__ room. He put some hay(干草) in a pen(围栏) __6__ the sheep could eat it when they were __7__. The dog, who felt cold outside, lay on the __8__ hay and soon went to sleep.
At noon the sheep wanted to eat the hay. They were __9__ afraid of the dog and __10__ could get close to it.
