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。
There are many advantage for parents to give kids housework to do, though it can be easy done by themselves. Sometimes, it may takes parents plenty of time to explain to the kids what needs to get done, and guide them do it. However, what is known to all, doing different daily tasks are important for the children's overall development. Parents should believe there is always a suitable task for his kids. Finding housework that the kids are able to do at the particular time. Then work it out a practical schedule and system fit to them.
