假定英语课上老师要求同桌之间交换修改作文，请你修改你同学写的以下作文。文中共有10处语言错误，每句中最多有两处。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 (∧), 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 is no doubt whether the Internet plays an important part in our everyday life. It can provide people with a life of highly quality. So it can also do harm to people, especially to teenagers. For an example, things such as violence and cheating often appear on the Internet, that can seriously pollute their hearts and souls (心灵). As result, children will gradually lose interest for their studies. Now it's time for the government to take some measures (措施) to deal of this problem. Some websites that breaks the rules should be punished and closed up. As students, we should also protect us from the bad influence of the Internet.

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 Ginni,

    How are you getting on these days?

    I wonder if you could sell some Chinese knots (结)for me. I make them myself with red silk thread, cloth and some other materials. They look real beautiful in the shape of a diamond, about 5 inches long or 4 inches wide. In China, this knots stand for friendship, love and good lucky. People can either give them as gifts friends or hang them in their houses. They are only 12.99 dollars every.

      If anyone wants to know more about knots, let them write to me. Also, do let me know if you are need further information.

    Thank you !

Zhang Lin

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。

    Last summer vacation, I went to Beijing to seeing my grandfather. He told me that he had dreamed of visiting Shanghai, where he brought up by his uncle. Hearing this, I decide to go there with him.

    I checked the weather in Shanghai and booked the air ticket on the internet as well. After that, I helped him prepare all the things he might need them during the trip, such as his identity card, a camera, or a mobile phone. Three days ago, my grandfather and I headed to the airport and my parents went to see us off.

    Busy as it was, I felt proudly because I could do everything for my grandfather.

    It was raining hardly. In his way home from school Peter saw an old man walking with difficult in the rain without an umbrella. Peter went up to him and offered share the umbrella with him. The old man is in poor health, so Peter tried to hold the umbrella. But he was so short to hold it high enough. While wondering how to do, he saw the old man's stick and had an idea. He had tied the stick to the handle of the umbrella and made them longer. Now we shared the umbrella. Peter was happy.

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。

    It is known to all, sports are playing a more and more important role in people's life. Last week a sports program was hold in our school. All the students took an active part in all kind of sports, such as football, basketball, run, swimming, bike riding and so on. They competed against each other and cheer for each other as well. They said they were fond with such a program.

    I also enjoyed it a lot of and I think we students should do sports every day. They can not only build up our bodies but also helped us study more efficient. Only in this way will we lead healthy and wonderful life.

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。

    A Molotov cocktail, what is also known as a petrol bomb or a bottle bomb, sometime shortened as Molly, refers to a variety of bottle-based weapons. It is a breakable glass bottle where a burnable substance, for example petrol or alcohol with some oil adding, could be found. In 1939, the Finnish people invent this name to laugh at Molotov, an officer from the Soviet Union, when the two countries were not at the peace. Molotov cocktails are easy to make, but they have been widely used by street criminals, protesters, or even soldiers who search weapons. We are primarily intended to burn rather than completely destroy targets. Interesting, Molotov cocktails also appear frequently in video game such as PUBG, Game for Peace, Call of Duty, and so on.