题目内容：

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误（每行只有一个错误）,则按下列情况改正：

此行多一个词:把多余的词用斜线（\）划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号（∧）,在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

  On May Day, Li Yue and Zhang Hua, student from Class Three,              1. ____

Grade Two, went to Sunshine Nursing Home and do some voluntary             2.___

work. On their arrival, Li Yue and Zhang Hua were warm welcomed,                  3._____

and respectfully, they presented the elderly with flowers and fruits.               4.________

Then, they started working once, cleaning the windows and the floor.                   5.________

Everything done, they sat in the yard chatted with the elderly people.          6.________

When there was time for them to leave, the elderly people thanked                7.______

them their kindness. They said it was so beautiful a day that they               8._____

would remember forever. Li Yue and Zhang Hua were very happy.                9.____

How they did has brought joy to others and enriched their own lives.             10._____