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．只允许修改 10处，多者（从第11处起）不计分。

    Most students go to Internet bars play video games, that takes much of their precious time. Some students even stayed in Internet bars day and night, forgot their studies. No doubt these students will finally end up with their bright future destroy. Furthermore, some student log onto unhealthy websites accidental. And they are finally absorbed to the excitement of reading unhealthy stories or watching dirty videos. All these are harmful to the teenagers and if only this is not controlled or the use of the Internet is not properly guided, some of us will go the wrong way.

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限一词；

2．只允许修改10处，多者（从第11处起）不计分。

    Yesterday we went to Happiness Nursing House to help the old people. We set out earlier in the morning and brought them lots of gift. When we arrived, we were warmly welcome by them. First we introduced myself. Then we were making dumplings together with the old, talking and laugh. After lunch, we performed and sang songs with them happy. Finally all the old people say goodbye to us at the gate. We were very happy because of we did a good deed. I think this necessary for us teenagers to learn what to respect and take care of others, especially, the old.

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。

Dear Sir or Madam,

    I'm Li Hua, passenger on the flight number BA 793 of your company. I take the flight from America on December 3, 2015. Unlucky, I found one of my suitcases losing at the airport. Here I am eagerly writing to you to ask for helps.

    The suitcase is a black mid-sized one with your name tagged on the handle, which contains many important personal files and some scientific materials. It took me much time and energy to get them but they are valuable in my scientific study. Beside, there are some presents I bought them for my friends and family members.

    I'm looking forward to hear good news from you.

Yours truly,

Li Hua

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．只允许修改10处，多者(从第11处起)不计分。

Dear Sir/Madam,

    I am Li Hua, an exchange student from China. I am writing to ask you to help to look for the Chinese student.

    Yesterday, my roommate Tony was on the way to the classroom when he fall down and could hardly move. Just at that moment, when a Chinese girl came to him. She gave him first aid (急救) but called an ambulance. Because the kind girl, Tony was sent to hospital in time. But the girl left quietly after Tony could express his thanks. The girl is about eighteenth years old and middle-sized. Tony real wants to meet her to express her sincere appreciation. Could you please help to find her?

    I am looking forward to hear from you.

Yours,

Li Hua

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：⒈每处错误及其修改均仅限一词；

⒉只允许修改10处, 多者（从第11处起）不计分。

    Charlie's childhood was not easy. He was born in the poor family in 1889. His parents were both poor music hall performer. You may find astonishing that Charlie was taught to sing as soon as he could speak and dance as soon as he could walk. Such training was common of acting families at this time, especially when the family income was often uncertain. Unfortunate, his father died, leave the family even worse off. But Charlie spent his childhood on looking after his sick mother and his brother. By her teens, Charlie had, through his humour, became one of the most popular child actors in England.