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 处错误，每句中最多有两处。每处错误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（夷），并在其下面写出该加的词。
删除：把多余的词用斜钱（\）划掉。
修改：在错的词下画一横线，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援只充许修改10 处，多者（从第11 处起） 不计分。
Today is Tom’s 70th birthday, but there is anybody with him．He feels very disappointing．His sons didn’t care for him on this special day．Although the cakes are very delicious, but he doesn’t want to touch it．He just wants his children come and see him．Nowadays, many young people are so busy and independent which they seldom visit their parents．But blood is thick than water．Our dear parents brought us up for a lot of difficulty．Thus, we should and must bring happy to them when they become old．