题目内容：

根据短文内容，选出适当的单词填空，使语意通顺完整。

 

after   passed   skating   on   and   hard   help   water   fast   fell 

It was a very cold morning. Some children were 1. on the ice. It was snowing 2.

but they enjoyed themselves there. Mike, the tallest boy, skated 3. and he didn’t see that there was a hole 4. the ice. He 5. into the water. The other children called out loudly for 6.. Just at the moment a young worker 7. by and heard them. He put his bike by the side of the river 8. ran to them. When he pulled Mike out of the 9., he was all wet. Then he sent Mike to a hospital. 10. that the young man hurried to work.