2 . 请修改以下句子，每句只有一处语言错误。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（/\），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
1. John said that he has finished the work.
2. Pay attention to that the doctor said, will you?
3. Excuse me, would you mind me open the window?
4. I was wondering that if you could give me a hand.
5. On contrary, many people are crazy about junk food.
6. We should mind our diet by eat more fruit and vegetables.
7. A large amount of money are spent to carry out the project.
8. I am concerned about if he will agree with this point or not.
9. Neither the children nor Mrs Smith were invited to the party.
10. The reason why I was late is because I was caught in a heavy rain.