1. 根据句意及首字母提示完成单词。

1. （1） The nurse cleaned the w before the operation.

3. （2） He t when he went upstairs this morning.

5. （3） Lily didn't go to school because she had a f.

7. （4） The m boy was found by the lake yesterday.

9. （5） When I got home, my mother was on her k looking for something under the bed.