1 . 用方框中所给单词的适当形式填空，每词仅用一次（每空一词）。

against,     drop,     ice,     feel,     silly

1. It was ________ of Bob to walk to the hospital. It’s so far.
2. Lucy was so careless that she ________ her favorite toy bear into the water this morning.
3. I often get a ________ of satisfaction after helping others.
4. My brother fell over on the ________ road and hurt his knee on such a cold and snowy day.
5. I like to listen to the rain beat ________ the windows.