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。

The teenage year from 13 to 19 were the most difficult time for me. They were also the best and worse years in my life. At the first, I thought I knew everything and could make decisions by yourself. However, my parents didn't seem to think such. They always tell me what to do and how to do it. At one time, I even felt my parents couldn't understand me so I hoped I could be freely from them. I showed them I was independent by wear strange clothes. Now I am leaving home to college. At last, I will be onmy own, but I still want to have my parents to turn to whenever need help.

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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5处，多者（从第6处起）不计分。

    If you say the word “communication”, most people think words and sentences. Although these are very important, but we communicate with more than just spoken and writing words. Indeed, body positions are part of that we call “body language”. We see examples of unconscious body language very often, yet there is also “learned” body language, which vary from culture to culture.

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 week I paid a visit of my friend Li Lei. His mother sincerely asked me to stay for lunch with them, and I agree. There were only three people for lunch all altogether. However, my friend's mother prepared eight dish and we couldn't finish the food at all. As the result, the food that was not finished thrown away in the end. When I went back home I saw some homeless people beg in the street, where reminded me of the wasted food. I felt really sad. What I wish that no food would be wasted from now on! In this way, nobody on the earth will be hunger.

增加：在缺词处加一个漏字符号（Λ），并在其下面写出该加的词。

删除：把多余的词用（\）划掉。

修改：在错的词下面画一横线，并在改词下面写出修改后的词。

注意：1．每处错误及其修改仅限一词；

2．只允许修改10处，多者（从第11 处起）不计分。

    Last summer vacation, my parents and I go to the countryside to visit my uncle. It took us three hours get there by car. After having lunch on my uncle's, we went fishing in the river near her house. I was very exciting because I caught a lot of fish there. The next day, we decided to rode bikes around the village. The village was very beautiful but we were very relaxed. Then we had a picnic in a park where many child were flying kites. The country life was very peacefully. I hope that I can go there again the next year.

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。

    Last weekend I went on an eco-travel with a travel agency. All the way we enjoyed the beautiful sceneries and fresh air. And a few of us picked flowers while go sightseeing. Some even tried to catch the birds they saw. What was worst, many tourists threw rubbish here and there, that may do great harm to wildlife there.

    I don't think this is a true eco-travel. A true eco-travel is a tour that not only allows us to express our love nature, but develop our responsibility as well. As we enjoy the beauty of the nature, we should spare no effort to protect them. And we should also try to protect wildlife. A true eco-travel should be like this: take nothing away but your wonderfully memory; leave nothing behind but all the green trees and the clean water.