英语改错、纠正

2.If one wants to do well at this office, he or she should be prepared to put in a lot of overtime.
3.Anyone who votes for that proposition should have his or her head examined.
4.When you follow these instructions repeatedly, you always seem to obtain different results.
5.Your headache is not likely to go away unless one cuts down on your coffee consumption.
6.As one's familiarity with the rules of grammar and punctuation increasing, he or she becomes more comfortable with his or her own writing.
7.Once you have seen the skyline of Manhattan, you will never forget it.
8.If a person wants to become a professional athlete, he or she must have an enormous amount of talent and just as much luck.
9.Anyone who saw the strange lights in the sky last night should please leave his or her name with the investigator.
10.I like spending money a lot, but I don't like how hard I have to work for it.

这是一个关于人称的问题，基本上都是第二与第三人称混淆。
2.