2 . 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(/\)，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。
注意：
1．每处错误及其修改均仅限一词;
2．只允许修改10处，多者(从第11处起)不计分。

Man has been interesting in robots for quite some time. Scientists is always inventing new and better robots, what will play an important role in our future lives.First, smarter robots will help ourselves do housework. They will take over housework such as preparing meals, washing dishes and sweep the floor. Second, robots are also able do some other work. Third, robots will be our friends. They will not only be good listeners and they will also offer us good advise.In conclusion, robots will be more and much intelligent and will benefit from us in many ways.