题目内容：

以下每句均有错误，错误涉及一个单词的增加(∧)或一个单词的删除(\，其他错误为单词的修改。每处错误及其修改均仅限一词。

1.Neither Mary nor Jack have seen the film.

2.One day a doctor was called in examine the king.

3.The king's top general was told to find a happy man in three days time.

4.I have lots of wealth，but I'm always worry about losing my money.